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Finding the Third Proportional to 679,680 and 1,388,952

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Solution

The third proportional to 679,680 and 1,388,952 is: 2,838,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,680 : 1,388,952 = 1,388,952 : x
  2. Step 2: Convert to fraction form
    679,680/1,388,952 = 1,388,952/x
  3. Step 3: Cross multiply
    679,680x = 1,388,952 × 1,388,952
  4. Step 4: Simplify right side
    679,680x = 1,929,187,658,304
  5. Step 5: Solve for x
    x = 1,929,187,658,304/679,680
  6. Step 6: Final answer
    x = 2,838,376.38

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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.