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Finding the Third Proportional to 15,127 and 32,921

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Solution

The third proportional to 15,127 and 32,921 is: 71,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127 : 32,921 = 32,921 : x
  2. Step 2: Convert to fraction form
    15,127/32,921 = 32,921/x
  3. Step 3: Cross multiply
    15,127x = 32,921 × 32,921
  4. Step 4: Simplify right side
    15,127x = 1,083,792,241
  5. Step 5: Solve for x
    x = 1,083,792,241/15,127
  6. Step 6: Final answer
    x = 71,646.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.