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Finding the Third Proportional to 391,514.06 and 854,935.88

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Solution

The third proportional to 391,514.06 and 854,935.88 is: 1,866,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,514.06 : 854,935.88 = 854,935.88 : x
  2. Step 2: Convert to fraction form
    391,514.06/854,935.88 = 854,935.88/x
  3. Step 3: Cross multiply
    391,514.06x = 854,935.88 × 854,935.88
  4. Step 4: Simplify right side
    391,514.06x = 730,915,350,362.02
  5. Step 5: Solve for x
    x = 730,915,350,362.02/391,514.06
  6. Step 6: Final answer
    x = 1,866,894.25

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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.