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Finding the Third Proportional to 986,559.75 and 2,125,399.50

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Solution

The third proportional to 986,559.75 and 2,125,399.50 is: 4,578,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,559.75 : 2,125,399.50 = 2,125,399.50 : x
  2. Step 2: Convert to fraction form
    986,559.75/2,125,399.50 = 2,125,399.50/x
  3. Step 3: Cross multiply
    986,559.75x = 2,125,399.50 × 2,125,399.50
  4. Step 4: Simplify right side
    986,559.75x = 4,517,323,034,600.25
  5. Step 5: Solve for x
    x = 4,517,323,034,600.25/986,559.75
  6. Step 6: Final answer
    x = 4,578,864.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.