Home / 487,339-731,009

Finding the Third Proportional to 487,339 and 731,009

Calculator

Solution

The third proportional to 487,339 and 731,009 is: 1,096,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,339 : 731,009 = 731,009 : x
  2. Step 2: Convert to fraction form
    487,339/731,009 = 731,009/x
  3. Step 3: Cross multiply
    487,339x = 731,009 × 731,009
  4. Step 4: Simplify right side
    487,339x = 534,374,158,081
  5. Step 5: Solve for x
    x = 534,374,158,081/487,339
  6. Step 6: Final answer
    x = 1,096,514.25

Related Problems

Find third proportional to 243,669.50 and 365,504.50
Half scale
Find third proportional to 974,678 and 1,462,018
Double scale
Find third proportional to 487,341 and 731,012
Similar ratio
Find third proportional to 731,008.50 and 1,096,513.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.