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Finding the Third Proportional to 45,132 and 98,688

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Solution

The third proportional to 45,132 and 98,688 is: 215,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132 : 98,688 = 98,688 : x
  2. Step 2: Convert to fraction form
    45,132/98,688 = 98,688/x
  3. Step 3: Cross multiply
    45,132x = 98,688 × 98,688
  4. Step 4: Simplify right side
    45,132x = 9,739,321,344
  5. Step 5: Solve for x
    x = 9,739,321,344/45,132
  6. Step 6: Final answer
    x = 215,796.36

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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.