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Finding the Third Proportional to 65,005 and 97,081

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Solution

The third proportional to 65,005 and 97,081 is: 144,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,005 : 97,081 = 97,081 : x
  2. Step 2: Convert to fraction form
    65,005/97,081 = 97,081/x
  3. Step 3: Cross multiply
    65,005x = 97,081 × 97,081
  4. Step 4: Simplify right side
    65,005x = 9,424,720,561
  5. Step 5: Solve for x
    x = 9,424,720,561/65,005
  6. Step 6: Final answer
    x = 144,984.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.