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Finding the Third Proportional to 552,429.38 and 862,219.88

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Solution

The third proportional to 552,429.38 and 862,219.88 is: 1,345,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,429.38 : 862,219.88 = 862,219.88 : x
  2. Step 2: Convert to fraction form
    552,429.38/862,219.88 = 862,219.88/x
  3. Step 3: Cross multiply
    552,429.38x = 862,219.88 × 862,219.88
  4. Step 4: Simplify right side
    552,429.38x = 743,423,112,845.02
  5. Step 5: Solve for x
    x = 743,423,112,845.02/552,429.38
  6. Step 6: Final answer
    x = 1,345,734.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.