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Finding the Third Proportional to 815,246 and 1,666,780

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Solution

The third proportional to 815,246 and 1,666,780 is: 3,407,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,246 : 1,666,780 = 1,666,780 : x
  2. Step 2: Convert to fraction form
    815,246/1,666,780 = 1,666,780/x
  3. Step 3: Cross multiply
    815,246x = 1,666,780 × 1,666,780
  4. Step 4: Simplify right side
    815,246x = 2,778,155,568,400
  5. Step 5: Solve for x
    x = 2,778,155,568,400/815,246
  6. Step 6: Final answer
    x = 3,407,751.24

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.