Home / 402,794,932-621,985,820

Finding the Third Proportional to 402,794,932 and 621,985,820

Calculator

Solution

The third proportional to 402,794,932 and 621,985,820 is: 960,454,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,794,932 : 621,985,820 = 621,985,820 : x
  2. Step 2: Convert to fraction form
    402,794,932/621,985,820 = 621,985,820/x
  3. Step 3: Cross multiply
    402,794,932x = 621,985,820 × 621,985,820
  4. Step 4: Simplify right side
    402,794,932x = 386,866,360,281,072,384
  5. Step 5: Solve for x
    x = 386,866,360,281,072,384/402,794,932
  6. Step 6: Final answer
    x = 960,454,885.47

Related Problems

Find third proportional to 201,397,466 and 310,992,910
Half scale
Find third proportional to 805,589,864 and 1,243,971,640
Double scale
Find third proportional to 402,794,934 and 621,985,823
Similar ratio
Find third proportional to 604,192,398 and 932,978,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.