Home / 3,900,909.38-5,176,090.13

Finding the Third Proportional to 3,900,909.38 and 5,176,090.13

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Solution

The third proportional to 3,900,909.38 and 5,176,090.13 is: 6,868,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,909.38 : 5,176,090.13 = 5,176,090.13 : x
  2. Step 2: Convert to fraction form
    3,900,909.38/5,176,090.13 = 5,176,090.13/x
  3. Step 3: Cross multiply
    3,900,909.38x = 5,176,090.13 × 5,176,090.13
  4. Step 4: Simplify right side
    3,900,909.38x = 26,791,908,982,122.52
  5. Step 5: Solve for x
    x = 26,791,908,982,122.52/3,900,909.38
  6. Step 6: Final answer
    x = 6,868,118.79

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.