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Finding the Third Proportional to 28,461 and 62,459

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Solution

The third proportional to 28,461 and 62,459 is: 137,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461 : 62,459 = 62,459 : x
  2. Step 2: Convert to fraction form
    28,461/62,459 = 62,459/x
  3. Step 3: Cross multiply
    28,461x = 62,459 × 62,459
  4. Step 4: Simplify right side
    28,461x = 3,901,126,681
  5. Step 5: Solve for x
    x = 3,901,126,681/28,461
  6. Step 6: Final answer
    x = 137,069.21

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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.