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Finding the Third Proportional to 5,604 and 12,957

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Solution

The third proportional to 5,604 and 12,957 is: 29,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604 : 12,957 = 12,957 : x
  2. Step 2: Convert to fraction form
    5,604/12,957 = 12,957/x
  3. Step 3: Cross multiply
    5,604x = 12,957 × 12,957
  4. Step 4: Simplify right side
    5,604x = 167,883,849
  5. Step 5: Solve for x
    x = 167,883,849/5,604
  6. Step 6: Final answer
    x = 29,957.86

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.