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Finding the Third Proportional to 131,757 and 288,501

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Solution

The third proportional to 131,757 and 288,501 is: 631,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,757 : 288,501 = 288,501 : x
  2. Step 2: Convert to fraction form
    131,757/288,501 = 288,501/x
  3. Step 3: Cross multiply
    131,757x = 288,501 × 288,501
  4. Step 4: Simplify right side
    131,757x = 83,232,827,001
  5. Step 5: Solve for x
    x = 83,232,827,001/131,757
  6. Step 6: Final answer
    x = 631,714.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.