Home / 141,547-309,347

Finding the Third Proportional to 141,547 and 309,347

Calculator

Solution

The third proportional to 141,547 and 309,347 is: 676,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,547 : 309,347 = 309,347 : x
  2. Step 2: Convert to fraction form
    141,547/309,347 = 309,347/x
  3. Step 3: Cross multiply
    141,547x = 309,347 × 309,347
  4. Step 4: Simplify right side
    141,547x = 95,695,566,409
  5. Step 5: Solve for x
    x = 95,695,566,409/141,547
  6. Step 6: Final answer
    x = 676,069.20

Related Problems

Find third proportional to 70,773.50 and 154,673.50
Half scale
Find third proportional to 283,094 and 618,694
Double scale
Find third proportional to 141,549 and 309,351
Similar ratio
Find third proportional to 212,320.50 and 464,020.50
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.