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Finding the Third Proportional to 207,126 and 306,747

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Solution

The third proportional to 207,126 and 306,747 is: 454,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,126 : 306,747 = 306,747 : x
  2. Step 2: Convert to fraction form
    207,126/306,747 = 306,747/x
  3. Step 3: Cross multiply
    207,126x = 306,747 × 306,747
  4. Step 4: Simplify right side
    207,126x = 94,093,722,009
  5. Step 5: Solve for x
    x = 94,093,722,009/207,126
  6. Step 6: Final answer
    x = 454,282.52

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.