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Finding the Third Proportional to 89,412.75 and 186,176.25

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Solution

The third proportional to 89,412.75 and 186,176.25 is: 387,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,412.75 : 186,176.25 = 186,176.25 : x
  2. Step 2: Convert to fraction form
    89,412.75/186,176.25 = 186,176.25/x
  3. Step 3: Cross multiply
    89,412.75x = 186,176.25 × 186,176.25
  4. Step 4: Simplify right side
    89,412.75x = 34,661,596,064.06
  5. Step 5: Solve for x
    x = 34,661,596,064.06/89,412.75
  6. Step 6: Final answer
    x = 387,658.32

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.