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Finding the Third Proportional to 386,353.13 and 846,517.50

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Solution

The third proportional to 386,353.13 and 846,517.50 is: 1,854,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,353.13 : 846,517.50 = 846,517.50 : x
  2. Step 2: Convert to fraction form
    386,353.13/846,517.50 = 846,517.50/x
  3. Step 3: Cross multiply
    386,353.13x = 846,517.50 × 846,517.50
  4. Step 4: Simplify right side
    386,353.13x = 716,591,877,806.25
  5. Step 5: Solve for x
    x = 716,591,877,806.25/386,353.13
  6. Step 6: Final answer
    x = 1,854,758.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.