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Finding the Third Proportional to 1,155,397.50 and 2,493,475.13

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Solution

The third proportional to 1,155,397.50 and 2,493,475.13 is: 5,381,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,397.50 : 2,493,475.13 = 2,493,475.13 : x
  2. Step 2: Convert to fraction form
    1,155,397.50/2,493,475.13 = 2,493,475.13/x
  3. Step 3: Cross multiply
    1,155,397.50x = 2,493,475.13 × 2,493,475.13
  4. Step 4: Simplify right side
    1,155,397.50x = 6,217,418,198,993.77
  5. Step 5: Solve for x
    x = 6,217,418,198,993.77/1,155,397.50
  6. Step 6: Final answer
    x = 5,381,194.09

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.