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Finding the Third Proportional to 207,524 and 312,123

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Solution

The third proportional to 207,524 and 312,123 is: 469,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,524 : 312,123 = 312,123 : x
  2. Step 2: Convert to fraction form
    207,524/312,123 = 312,123/x
  3. Step 3: Cross multiply
    207,524x = 312,123 × 312,123
  4. Step 4: Simplify right side
    207,524x = 97,420,767,129
  5. Step 5: Solve for x
    x = 97,420,767,129/207,524
  6. Step 6: Final answer
    x = 469,443.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.