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Finding the Third Proportional to 14,378 and 31,552

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Solution

The third proportional to 14,378 and 31,552 is: 69,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378 : 31,552 = 31,552 : x
  2. Step 2: Convert to fraction form
    14,378/31,552 = 31,552/x
  3. Step 3: Cross multiply
    14,378x = 31,552 × 31,552
  4. Step 4: Simplify right side
    14,378x = 995,528,704
  5. Step 5: Solve for x
    x = 995,528,704/14,378
  6. Step 6: Final answer
    x = 69,239.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.