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Finding the Third Proportional to 179,246.25 and 391,100.06

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Solution

The third proportional to 179,246.25 and 391,100.06 is: 853,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,246.25 : 391,100.06 = 391,100.06 : x
  2. Step 2: Convert to fraction form
    179,246.25/391,100.06 = 391,100.06/x
  3. Step 3: Cross multiply
    179,246.25x = 391,100.06 × 391,100.06
  4. Step 4: Simplify right side
    179,246.25x = 152,959,258,887.50
  5. Step 5: Solve for x
    x = 152,959,258,887.50/179,246.25
  6. Step 6: Final answer
    x = 853,347.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.