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Finding the Third Proportional to 207,882 and 313,704

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Solution

The third proportional to 207,882 and 313,704 is: 473,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,882 : 313,704 = 313,704 : x
  2. Step 2: Convert to fraction form
    207,882/313,704 = 313,704/x
  3. Step 3: Cross multiply
    207,882x = 313,704 × 313,704
  4. Step 4: Simplify right side
    207,882x = 98,410,199,616
  5. Step 5: Solve for x
    x = 98,410,199,616/207,882
  6. Step 6: Final answer
    x = 473,394.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.