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Finding the Third Proportional to 131,125 and 202,479

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Solution

The third proportional to 131,125 and 202,479 is: 312,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,125 : 202,479 = 202,479 : x
  2. Step 2: Convert to fraction form
    131,125/202,479 = 202,479/x
  3. Step 3: Cross multiply
    131,125x = 202,479 × 202,479
  4. Step 4: Simplify right side
    131,125x = 40,997,745,441
  5. Step 5: Solve for x
    x = 40,997,745,441/131,125
  6. Step 6: Final answer
    x = 312,661.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.