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Finding the Third Proportional to 290,250.84 and 426,844.69

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Solution

The third proportional to 290,250.84 and 426,844.69 is: 627,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,250.84 : 426,844.69 = 426,844.69 : x
  2. Step 2: Convert to fraction form
    290,250.84/426,844.69 = 426,844.69/x
  3. Step 3: Cross multiply
    290,250.84x = 426,844.69 × 426,844.69
  4. Step 4: Simplify right side
    290,250.84x = 182,196,387,246.97
  5. Step 5: Solve for x
    x = 182,196,387,246.97/290,250.84
  6. Step 6: Final answer
    x = 627,720.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.