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Finding the Third Proportional to 763,219.13 and 1,121,500.13

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Solution

The third proportional to 763,219.13 and 1,121,500.13 is: 1,647,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,219.13 : 1,121,500.13 = 1,121,500.13 : x
  2. Step 2: Convert to fraction form
    763,219.13/1,121,500.13 = 1,121,500.13/x
  3. Step 3: Cross multiply
    763,219.13x = 1,121,500.13 × 1,121,500.13
  4. Step 4: Simplify right side
    763,219.13x = 1,257,762,530,375.02
  5. Step 5: Solve for x
    x = 1,257,762,530,375.02/763,219.13
  6. Step 6: Final answer
    x = 1,647,970.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.