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Finding the Third Proportional to 1,830,610.13 and 3,982,299.19

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Solution

The third proportional to 1,830,610.13 and 3,982,299.19 is: 8,663,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,610.13 : 3,982,299.19 = 3,982,299.19 : x
  2. Step 2: Convert to fraction form
    1,830,610.13/3,982,299.19 = 3,982,299.19/x
  3. Step 3: Cross multiply
    1,830,610.13x = 3,982,299.19 × 3,982,299.19
  4. Step 4: Simplify right side
    1,830,610.13x = 15,858,706,818,763.16
  5. Step 5: Solve for x
    x = 15,858,706,818,763.16/1,830,610.13
  6. Step 6: Final answer
    x = 8,663,071.73

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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.