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Finding the Third Proportional to 18,158.25 and 39,332.25

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Solution

The third proportional to 18,158.25 and 39,332.25 is: 85,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.25 : 39,332.25 = 39,332.25 : x
  2. Step 2: Convert to fraction form
    18,158.25/39,332.25 = 39,332.25/x
  3. Step 3: Cross multiply
    18,158.25x = 39,332.25 × 39,332.25
  4. Step 4: Simplify right side
    18,158.25x = 1,547,025,890.06
  5. Step 5: Solve for x
    x = 1,547,025,890.06/18,158.25
  6. Step 6: Final answer
    x = 85,196.86

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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.