Home / 355,466-779,815

Finding the Third Proportional to 355,466 and 779,815

Calculator

Solution

The third proportional to 355,466 and 779,815 is: 1,710,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,466 : 779,815 = 779,815 : x
  2. Step 2: Convert to fraction form
    355,466/779,815 = 779,815/x
  3. Step 3: Cross multiply
    355,466x = 779,815 × 779,815
  4. Step 4: Simplify right side
    355,466x = 608,111,434,225
  5. Step 5: Solve for x
    x = 608,111,434,225/355,466
  6. Step 6: Final answer
    x = 1,710,744.30

Related Problems

Find third proportional to 177,733 and 389,907.50
Half scale
Find third proportional to 710,932 and 1,559,630
Double scale
Find third proportional to 355,468 and 779,819
Similar ratio
Find third proportional to 533,199 and 1,169,722.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.