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Finding the Third Proportional to 135,252.28 and 290,871

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Solution

The third proportional to 135,252.28 and 290,871 is: 625,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,252.28 : 290,871 = 290,871 : x
  2. Step 2: Convert to fraction form
    135,252.28/290,871 = 290,871/x
  3. Step 3: Cross multiply
    135,252.28x = 290,871 × 290,871
  4. Step 4: Simplify right side
    135,252.28x = 84,605,938,641
  5. Step 5: Solve for x
    x = 84,605,938,641/135,252.28
  6. Step 6: Final answer
    x = 625,541.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.