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Finding the Third Proportional to 65,691 and 93,615.75

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Solution

The third proportional to 65,691 and 93,615.75 is: 133,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,691 : 93,615.75 = 93,615.75 : x
  2. Step 2: Convert to fraction form
    65,691/93,615.75 = 93,615.75/x
  3. Step 3: Cross multiply
    65,691x = 93,615.75 × 93,615.75
  4. Step 4: Simplify right side
    65,691x = 8,763,908,648.06
  5. Step 5: Solve for x
    x = 8,763,908,648.06/65,691
  6. Step 6: Final answer
    x = 133,411.10

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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.