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Finding the Third Proportional to 1,282,769.50 and 2,788,812

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Solution

The third proportional to 1,282,769.50 and 2,788,812 is: 6,063,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,769.50 : 2,788,812 = 2,788,812 : x
  2. Step 2: Convert to fraction form
    1,282,769.50/2,788,812 = 2,788,812/x
  3. Step 3: Cross multiply
    1,282,769.50x = 2,788,812 × 2,788,812
  4. Step 4: Simplify right side
    1,282,769.50x = 7,777,472,371,344
  5. Step 5: Solve for x
    x = 7,777,472,371,344/1,282,769.50
  6. Step 6: Final answer
    x = 6,063,031.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.