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Finding the Third Proportional to 29,420 and 39,448

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Solution

The third proportional to 29,420 and 39,448 is: 52,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420 : 39,448 = 39,448 : x
  2. Step 2: Convert to fraction form
    29,420/39,448 = 39,448/x
  3. Step 3: Cross multiply
    29,420x = 39,448 × 39,448
  4. Step 4: Simplify right side
    29,420x = 1,556,144,704
  5. Step 5: Solve for x
    x = 1,556,144,704/29,420
  6. Step 6: Final answer
    x = 52,894.11

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.