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Finding the Third Proportional to 371,564.50 and 517,008.75

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Solution

The third proportional to 371,564.50 and 517,008.75 is: 719,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,564.50 : 517,008.75 = 517,008.75 : x
  2. Step 2: Convert to fraction form
    371,564.50/517,008.75 = 517,008.75/x
  3. Step 3: Cross multiply
    371,564.50x = 517,008.75 × 517,008.75
  4. Step 4: Simplify right side
    371,564.50x = 267,298,047,576.56
  5. Step 5: Solve for x
    x = 267,298,047,576.56/371,564.50
  6. Step 6: Final answer
    x = 719,385.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.