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Finding the Third Proportional to 66,781 and 95,490.75

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Solution

The third proportional to 66,781 and 95,490.75 is: 136,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,781 : 95,490.75 = 95,490.75 : x
  2. Step 2: Convert to fraction form
    66,781/95,490.75 = 95,490.75/x
  3. Step 3: Cross multiply
    66,781x = 95,490.75 × 95,490.75
  4. Step 4: Simplify right side
    66,781x = 9,118,483,335.56
  5. Step 5: Solve for x
    x = 9,118,483,335.56/66,781
  6. Step 6: Final answer
    x = 136,543.08

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.