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Finding the Third Proportional to 920,130.75 and 1,396,749.38

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Solution

The third proportional to 920,130.75 and 1,396,749.38 is: 2,120,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,130.75 : 1,396,749.38 = 1,396,749.38 : x
  2. Step 2: Convert to fraction form
    920,130.75/1,396,749.38 = 1,396,749.38/x
  3. Step 3: Cross multiply
    920,130.75x = 1,396,749.38 × 1,396,749.38
  4. Step 4: Simplify right side
    920,130.75x = 1,950,908,816,562.89
  5. Step 5: Solve for x
    x = 1,950,908,816,562.89/920,130.75
  6. Step 6: Final answer
    x = 2,120,251.73

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.