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Finding the Third Proportional to 10,902 and 15,963

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Solution

The third proportional to 10,902 and 15,963 is: 23,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902 : 15,963 = 15,963 : x
  2. Step 2: Convert to fraction form
    10,902/15,963 = 15,963/x
  3. Step 3: Cross multiply
    10,902x = 15,963 × 15,963
  4. Step 4: Simplify right side
    10,902x = 254,817,369
  5. Step 5: Solve for x
    x = 254,817,369/10,902
  6. Step 6: Final answer
    x = 23,373.45

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.