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Finding the Third Proportional to 86,052.50 and 186,403.75

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Solution

The third proportional to 86,052.50 and 186,403.75 is: 403,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,052.50 : 186,403.75 = 186,403.75 : x
  2. Step 2: Convert to fraction form
    86,052.50/186,403.75 = 186,403.75/x
  3. Step 3: Cross multiply
    86,052.50x = 186,403.75 × 186,403.75
  4. Step 4: Simplify right side
    86,052.50x = 34,746,358,014.06
  5. Step 5: Solve for x
    x = 34,746,358,014.06/86,052.50
  6. Step 6: Final answer
    x = 403,780.92

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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.