Home / 329,272-707,636

Finding the Third Proportional to 329,272 and 707,636

Calculator

Solution

The third proportional to 329,272 and 707,636 is: 1,520,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,272 : 707,636 = 707,636 : x
  2. Step 2: Convert to fraction form
    329,272/707,636 = 707,636/x
  3. Step 3: Cross multiply
    329,272x = 707,636 × 707,636
  4. Step 4: Simplify right side
    329,272x = 500,748,708,496
  5. Step 5: Solve for x
    x = 500,748,708,496/329,272
  6. Step 6: Final answer
    x = 1,520,775.25

Related Problems

Find third proportional to 164,636 and 353,818
Half scale
Find third proportional to 658,544 and 1,415,272
Double scale
Find third proportional to 329,274 and 707,640
Similar ratio
Find third proportional to 493,908 and 1,061,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.