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Finding the Third Proportional to 64,862 and 96,891

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Solution

The third proportional to 64,862 and 96,891 is: 144,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862 : 96,891 = 96,891 : x
  2. Step 2: Convert to fraction form
    64,862/96,891 = 96,891/x
  3. Step 3: Cross multiply
    64,862x = 96,891 × 96,891
  4. Step 4: Simplify right side
    64,862x = 9,387,865,881
  5. Step 5: Solve for x
    x = 9,387,865,881/64,862
  6. Step 6: Final answer
    x = 144,735.99

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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.