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Finding the Third Proportional to 65,115 and 97,875

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Solution

The third proportional to 65,115 and 97,875 is: 147,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,115 : 97,875 = 97,875 : x
  2. Step 2: Convert to fraction form
    65,115/97,875 = 97,875/x
  3. Step 3: Cross multiply
    65,115x = 97,875 × 97,875
  4. Step 4: Simplify right side
    65,115x = 9,579,515,625
  5. Step 5: Solve for x
    x = 9,579,515,625/65,115
  6. Step 6: Final answer
    x = 147,116.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.