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Finding the Third Proportional to 290,773.13 and 628,246.13

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Solution

The third proportional to 290,773.13 and 628,246.13 is: 1,357,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,773.13 : 628,246.13 = 628,246.13 : x
  2. Step 2: Convert to fraction form
    290,773.13/628,246.13 = 628,246.13/x
  3. Step 3: Cross multiply
    290,773.13x = 628,246.13 × 628,246.13
  4. Step 4: Simplify right side
    290,773.13x = 394,693,193,577.52
  5. Step 5: Solve for x
    x = 394,693,193,577.52/290,773.13
  6. Step 6: Final answer
    x = 1,357,392.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.