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Finding the Third Proportional to 708,841 and 1,555,470

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Solution

The third proportional to 708,841 and 1,555,470 is: 3,413,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,841 : 1,555,470 = 1,555,470 : x
  2. Step 2: Convert to fraction form
    708,841/1,555,470 = 1,555,470/x
  3. Step 3: Cross multiply
    708,841x = 1,555,470 × 1,555,470
  4. Step 4: Simplify right side
    708,841x = 2,419,486,920,900
  5. Step 5: Solve for x
    x = 2,419,486,920,900/708,841
  6. Step 6: Final answer
    x = 3,413,299.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.