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Finding the Third Proportional to 982,932 and 2,143,720

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Solution

The third proportional to 982,932 and 2,143,720 is: 4,675,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,932 : 2,143,720 = 2,143,720 : x
  2. Step 2: Convert to fraction form
    982,932/2,143,720 = 2,143,720/x
  3. Step 3: Cross multiply
    982,932x = 2,143,720 × 2,143,720
  4. Step 4: Simplify right side
    982,932x = 4,595,535,438,400
  5. Step 5: Solve for x
    x = 4,595,535,438,400/982,932
  6. Step 6: Final answer
    x = 4,675,334.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.