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Finding the Third Proportional to 141,348 and 218,583.75

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Solution

The third proportional to 141,348 and 218,583.75 is: 338,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,348 : 218,583.75 = 218,583.75 : x
  2. Step 2: Convert to fraction form
    141,348/218,583.75 = 218,583.75/x
  3. Step 3: Cross multiply
    141,348x = 218,583.75 × 218,583.75
  4. Step 4: Simplify right side
    141,348x = 47,778,855,764.06
  5. Step 5: Solve for x
    x = 47,778,855,764.06/141,348
  6. Step 6: Final answer
    x = 338,022.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.