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Finding the Third Proportional to 132,979 and 284,641

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Solution

The third proportional to 132,979 and 284,641 is: 609,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,979 : 284,641 = 284,641 : x
  2. Step 2: Convert to fraction form
    132,979/284,641 = 284,641/x
  3. Step 3: Cross multiply
    132,979x = 284,641 × 284,641
  4. Step 4: Simplify right side
    132,979x = 81,020,498,881
  5. Step 5: Solve for x
    x = 81,020,498,881/132,979
  6. Step 6: Final answer
    x = 609,272.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.