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Finding the Third Proportional to 30,241.13 and 64,635.75

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Solution

The third proportional to 30,241.13 and 64,635.75 is: 138,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.13 : 64,635.75 = 64,635.75 : x
  2. Step 2: Convert to fraction form
    30,241.13/64,635.75 = 64,635.75/x
  3. Step 3: Cross multiply
    30,241.13x = 64,635.75 × 64,635.75
  4. Step 4: Simplify right side
    30,241.13x = 4,177,780,178.06
  5. Step 5: Solve for x
    x = 4,177,780,178.06/30,241.13
  6. Step 6: Final answer
    x = 138,148.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.