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Finding the Third Proportional to 2,074,158.75 and 3,111,292.13

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Solution

The third proportional to 2,074,158.75 and 3,111,292.13 is: 4,667,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,158.75 : 3,111,292.13 = 3,111,292.13 : x
  2. Step 2: Convert to fraction form
    2,074,158.75/3,111,292.13 = 3,111,292.13/x
  3. Step 3: Cross multiply
    2,074,158.75x = 3,111,292.13 × 3,111,292.13
  4. Step 4: Simplify right side
    2,074,158.75x = 9,680,138,687,087.02
  5. Step 5: Solve for x
    x = 9,680,138,687,087.02/2,074,158.75
  6. Step 6: Final answer
    x = 4,667,019.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.