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Finding the Third Proportional to 64,292 and 131,712

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Solution

The third proportional to 64,292 and 131,712 is: 269,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,292 : 131,712 = 131,712 : x
  2. Step 2: Convert to fraction form
    64,292/131,712 = 131,712/x
  3. Step 3: Cross multiply
    64,292x = 131,712 × 131,712
  4. Step 4: Simplify right side
    64,292x = 17,348,050,944
  5. Step 5: Solve for x
    x = 17,348,050,944/64,292
  6. Step 6: Final answer
    x = 269,832.19

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.