Home / 18,486,417.38-39,895,719.75

Finding the Third Proportional to 18,486,417.38 and 39,895,719.75

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Solution

The third proportional to 18,486,417.38 and 39,895,719.75 is: 86,099,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,417.38 : 39,895,719.75 = 39,895,719.75 : x
  2. Step 2: Convert to fraction form
    18,486,417.38/39,895,719.75 = 39,895,719.75/x
  3. Step 3: Cross multiply
    18,486,417.38x = 39,895,719.75 × 39,895,719.75
  4. Step 4: Simplify right side
    18,486,417.38x = 1,591,668,454,370,540
  5. Step 5: Solve for x
    x = 1,591,668,454,370,540/18,486,417.38
  6. Step 6: Final answer
    x = 86,099,346.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.