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Finding the Third Proportional to 28,358 and 62,143

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Solution

The third proportional to 28,358 and 62,143 is: 136,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358 : 62,143 = 62,143 : x
  2. Step 2: Convert to fraction form
    28,358/62,143 = 62,143/x
  3. Step 3: Cross multiply
    28,358x = 62,143 × 62,143
  4. Step 4: Simplify right side
    28,358x = 3,861,752,449
  5. Step 5: Solve for x
    x = 3,861,752,449/28,358
  6. Step 6: Final answer
    x = 136,178.59

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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.