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Finding the Third Proportional to 7,864.59 and 10,995.75

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Solution

The third proportional to 7,864.59 and 10,995.75 is: 15,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.59 : 10,995.75 = 10,995.75 : x
  2. Step 2: Convert to fraction form
    7,864.59/10,995.75 = 10,995.75/x
  3. Step 3: Cross multiply
    7,864.59x = 10,995.75 × 10,995.75
  4. Step 4: Simplify right side
    7,864.59x = 120,906,518.06
  5. Step 5: Solve for x
    x = 120,906,518.06/7,864.59
  6. Step 6: Final answer
    x = 15,373.52

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.