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Finding the Third Proportional to 207,249.75 and 316,888.88

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Solution

The third proportional to 207,249.75 and 316,888.88 is: 484,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,249.75 : 316,888.88 = 316,888.88 : x
  2. Step 2: Convert to fraction form
    207,249.75/316,888.88 = 316,888.88/x
  3. Step 3: Cross multiply
    207,249.75x = 316,888.88 × 316,888.88
  4. Step 4: Simplify right side
    207,249.75x = 100,418,559,098.77
  5. Step 5: Solve for x
    x = 100,418,559,098.77/207,249.75
  6. Step 6: Final answer
    x = 484,529.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.