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Finding the Third Proportional to 402,736.50 and 564,432.75

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Solution

The third proportional to 402,736.50 and 564,432.75 is: 791,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,736.50 : 564,432.75 = 564,432.75 : x
  2. Step 2: Convert to fraction form
    402,736.50/564,432.75 = 564,432.75/x
  3. Step 3: Cross multiply
    402,736.50x = 564,432.75 × 564,432.75
  4. Step 4: Simplify right side
    402,736.50x = 318,584,329,272.56
  5. Step 5: Solve for x
    x = 318,584,329,272.56/402,736.50
  6. Step 6: Final answer
    x = 791,049.06

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.