Home / 199,468-291,487

Finding the Third Proportional to 199,468 and 291,487

Calculator

Solution

The third proportional to 199,468 and 291,487 is: 425,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,468 : 291,487 = 291,487 : x
  2. Step 2: Convert to fraction form
    199,468/291,487 = 291,487/x
  3. Step 3: Cross multiply
    199,468x = 291,487 × 291,487
  4. Step 4: Simplify right side
    199,468x = 84,964,671,169
  5. Step 5: Solve for x
    x = 84,964,671,169/199,468
  6. Step 6: Final answer
    x = 425,956.40

Related Problems

Find third proportional to 99,734 and 145,743.50
Half scale
Find third proportional to 398,936 and 582,974
Double scale
Find third proportional to 199,470 and 291,490
Similar ratio
Find third proportional to 299,202 and 437,230.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.