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Finding the Third Proportional to 2,310,778.13 and 4,986,921.94

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Solution

The third proportional to 2,310,778.13 and 4,986,921.94 is: 10,762,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,778.13 : 4,986,921.94 = 4,986,921.94 : x
  2. Step 2: Convert to fraction form
    2,310,778.13/4,986,921.94 = 4,986,921.94/x
  3. Step 3: Cross multiply
    2,310,778.13x = 4,986,921.94 × 4,986,921.94
  4. Step 4: Simplify right side
    2,310,778.13x = 24,869,390,410,718.75
  5. Step 5: Solve for x
    x = 24,869,390,410,718.75/2,310,778.13
  6. Step 6: Final answer
    x = 10,762,344.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.