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Finding the Third Proportional to 14,740 and 31,352

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Solution

The third proportional to 14,740 and 31,352 is: 66,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740 : 31,352 = 31,352 : x
  2. Step 2: Convert to fraction form
    14,740/31,352 = 31,352/x
  3. Step 3: Cross multiply
    14,740x = 31,352 × 31,352
  4. Step 4: Simplify right side
    14,740x = 982,947,904
  5. Step 5: Solve for x
    x = 982,947,904/14,740
  6. Step 6: Final answer
    x = 66,685.75

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.