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Finding the Third Proportional to 39,572 and 83,560

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Solution

The third proportional to 39,572 and 83,560 is: 176,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572 : 83,560 = 83,560 : x
  2. Step 2: Convert to fraction form
    39,572/83,560 = 83,560/x
  3. Step 3: Cross multiply
    39,572x = 83,560 × 83,560
  4. Step 4: Simplify right side
    39,572x = 6,982,273,600
  5. Step 5: Solve for x
    x = 6,982,273,600/39,572
  6. Step 6: Final answer
    x = 176,444.80

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.