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Finding the Third Proportional to 4,715 and 5,507

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Solution

The third proportional to 4,715 and 5,507 is: 6,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715 : 5,507 = 5,507 : x
  2. Step 2: Convert to fraction form
    4,715/5,507 = 5,507/x
  3. Step 3: Cross multiply
    4,715x = 5,507 × 5,507
  4. Step 4: Simplify right side
    4,715x = 30,327,049
  5. Step 5: Solve for x
    x = 30,327,049/4,715
  6. Step 6: Final answer
    x = 6,432.04

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.