Home / 415,748-669,549

Finding the Third Proportional to 415,748 and 669,549

Calculator

Solution

The third proportional to 415,748 and 669,549 is: 1,078,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,748 : 669,549 = 669,549 : x
  2. Step 2: Convert to fraction form
    415,748/669,549 = 669,549/x
  3. Step 3: Cross multiply
    415,748x = 669,549 × 669,549
  4. Step 4: Simplify right side
    415,748x = 448,295,863,401
  5. Step 5: Solve for x
    x = 448,295,863,401/415,748
  6. Step 6: Final answer
    x = 1,078,287.48

Related Problems

Find third proportional to 207,874 and 334,774.50
Half scale
Find third proportional to 831,496 and 1,339,098
Double scale
Find third proportional to 415,750 and 669,552
Similar ratio
Find third proportional to 623,622 and 1,004,323.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.