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Finding the Third Proportional to 64,662.75 and 99,874.13

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Solution

The third proportional to 64,662.75 and 99,874.13 is: 154,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662.75 : 99,874.13 = 99,874.13 : x
  2. Step 2: Convert to fraction form
    64,662.75/99,874.13 = 99,874.13/x
  3. Step 3: Cross multiply
    64,662.75x = 99,874.13 × 99,874.13
  4. Step 4: Simplify right side
    64,662.75x = 9,974,840,844.52
  5. Step 5: Solve for x
    x = 9,974,840,844.52/64,662.75
  6. Step 6: Final answer
    x = 154,259.46

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.