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Finding the Third Proportional to 28,710 and 61,571

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Solution

The third proportional to 28,710 and 61,571 is: 132,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710 : 61,571 = 61,571 : x
  2. Step 2: Convert to fraction form
    28,710/61,571 = 61,571/x
  3. Step 3: Cross multiply
    28,710x = 61,571 × 61,571
  4. Step 4: Simplify right side
    28,710x = 3,790,988,041
  5. Step 5: Solve for x
    x = 3,790,988,041/28,710
  6. Step 6: Final answer
    x = 132,044.17

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.