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Finding the Third Proportional to 31,032 and 47,466

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Solution

The third proportional to 31,032 and 47,466 is: 72,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032 : 47,466 = 47,466 : x
  2. Step 2: Convert to fraction form
    31,032/47,466 = 47,466/x
  3. Step 3: Cross multiply
    31,032x = 47,466 × 47,466
  4. Step 4: Simplify right side
    31,032x = 2,253,021,156
  5. Step 5: Solve for x
    x = 2,253,021,156/31,032
  6. Step 6: Final answer
    x = 72,603.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.