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Finding the Third Proportional to 108,980 and 163,580

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Solution

The third proportional to 108,980 and 163,580 is: 245,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980 : 163,580 = 163,580 : x
  2. Step 2: Convert to fraction form
    108,980/163,580 = 163,580/x
  3. Step 3: Cross multiply
    108,980x = 163,580 × 163,580
  4. Step 4: Simplify right side
    108,980x = 26,758,416,400
  5. Step 5: Solve for x
    x = 26,758,416,400/108,980
  6. Step 6: Final answer
    x = 245,535.11

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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.