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Finding the Third Proportional to 65,780.86 and 100,055.25

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Solution

The third proportional to 65,780.86 and 100,055.25 is: 152,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,780.86 : 100,055.25 = 100,055.25 : x
  2. Step 2: Convert to fraction form
    65,780.86/100,055.25 = 100,055.25/x
  3. Step 3: Cross multiply
    65,780.86x = 100,055.25 × 100,055.25
  4. Step 4: Simplify right side
    65,780.86x = 10,011,053,052.56
  5. Step 5: Solve for x
    x = 10,011,053,052.56/65,780.86
  6. Step 6: Final answer
    x = 152,187.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.