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Finding the Third Proportional to 73,456 and 98,712

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Solution

The third proportional to 73,456 and 98,712 is: 132,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,456 : 98,712 = 98,712 : x
  2. Step 2: Convert to fraction form
    73,456/98,712 = 98,712/x
  3. Step 3: Cross multiply
    73,456x = 98,712 × 98,712
  4. Step 4: Simplify right side
    73,456x = 9,744,058,944
  5. Step 5: Solve for x
    x = 9,744,058,944/73,456
  6. Step 6: Final answer
    x = 132,651.64

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.