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Finding the Third Proportional to 39,484 and 53,188

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Solution

The third proportional to 39,484 and 53,188 is: 71,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,484 : 53,188 = 53,188 : x
  2. Step 2: Convert to fraction form
    39,484/53,188 = 53,188/x
  3. Step 3: Cross multiply
    39,484x = 53,188 × 53,188
  4. Step 4: Simplify right side
    39,484x = 2,828,963,344
  5. Step 5: Solve for x
    x = 2,828,963,344/39,484
  6. Step 6: Final answer
    x = 71,648.35

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.