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Finding the Third Proportional to 108,502 and 162,647

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Solution

The third proportional to 108,502 and 162,647 is: 243,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,502 : 162,647 = 162,647 : x
  2. Step 2: Convert to fraction form
    108,502/162,647 = 162,647/x
  3. Step 3: Cross multiply
    108,502x = 162,647 × 162,647
  4. Step 4: Simplify right side
    108,502x = 26,454,046,609
  5. Step 5: Solve for x
    x = 26,454,046,609/108,502
  6. Step 6: Final answer
    x = 243,811.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.