Home / 1,218,666.38-2,640,723.75

Finding the Third Proportional to 1,218,666.38 and 2,640,723.75

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Solution

The third proportional to 1,218,666.38 and 2,640,723.75 is: 5,722,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,666.38 : 2,640,723.75 = 2,640,723.75 : x
  2. Step 2: Convert to fraction form
    1,218,666.38/2,640,723.75 = 2,640,723.75/x
  3. Step 3: Cross multiply
    1,218,666.38x = 2,640,723.75 × 2,640,723.75
  4. Step 4: Simplify right side
    1,218,666.38x = 6,973,421,923,814.06
  5. Step 5: Solve for x
    x = 6,973,421,923,814.06/1,218,666.38
  6. Step 6: Final answer
    x = 5,722,174.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.