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Finding the Third Proportional to 13,437 and 31,377

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Solution

The third proportional to 13,437 and 31,377 is: 73,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437 : 31,377 = 31,377 : x
  2. Step 2: Convert to fraction form
    13,437/31,377 = 31,377/x
  3. Step 3: Cross multiply
    13,437x = 31,377 × 31,377
  4. Step 4: Simplify right side
    13,437x = 984,516,129
  5. Step 5: Solve for x
    x = 984,516,129/13,437
  6. Step 6: Final answer
    x = 73,269.04

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.