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Finding the Third Proportional to 28,730 and 62,563

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Solution

The third proportional to 28,730 and 62,563 is: 136,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730 : 62,563 = 62,563 : x
  2. Step 2: Convert to fraction form
    28,730/62,563 = 62,563/x
  3. Step 3: Cross multiply
    28,730x = 62,563 × 62,563
  4. Step 4: Simplify right side
    28,730x = 3,914,128,969
  5. Step 5: Solve for x
    x = 3,914,128,969/28,730
  6. Step 6: Final answer
    x = 136,238.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.