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Finding the Third Proportional to 919,927.13 and 2,148,778.13

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Solution

The third proportional to 919,927.13 and 2,148,778.13 is: 5,019,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,927.13 : 2,148,778.13 = 2,148,778.13 : x
  2. Step 2: Convert to fraction form
    919,927.13/2,148,778.13 = 2,148,778.13/x
  3. Step 3: Cross multiply
    919,927.13x = 2,148,778.13 × 2,148,778.13
  4. Step 4: Simplify right side
    919,927.13x = 4,617,247,430,478.52
  5. Step 5: Solve for x
    x = 4,617,247,430,478.52/919,927.13
  6. Step 6: Final answer
    x = 5,019,144.78

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.