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Finding the Third Proportional to 979,801.88 and 1,998,970.13

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Solution

The third proportional to 979,801.88 and 1,998,970.13 is: 4,078,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,801.88 : 1,998,970.13 = 1,998,970.13 : x
  2. Step 2: Convert to fraction form
    979,801.88/1,998,970.13 = 1,998,970.13/x
  3. Step 3: Cross multiply
    979,801.88x = 1,998,970.13 × 1,998,970.13
  4. Step 4: Simplify right side
    979,801.88x = 3,995,881,560,642.52
  5. Step 5: Solve for x
    x = 3,995,881,560,642.52/979,801.88
  6. Step 6: Final answer
    x = 4,078,254.66

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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.