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Finding the Third Proportional to 100,095.75 and 217,615.50

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Solution

The third proportional to 100,095.75 and 217,615.50 is: 473,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,095.75 : 217,615.50 = 217,615.50 : x
  2. Step 2: Convert to fraction form
    100,095.75/217,615.50 = 217,615.50/x
  3. Step 3: Cross multiply
    100,095.75x = 217,615.50 × 217,615.50
  4. Step 4: Simplify right side
    100,095.75x = 47,356,505,840.25
  5. Step 5: Solve for x
    x = 47,356,505,840.25/100,095.75
  6. Step 6: Final answer
    x = 473,112.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.