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Finding the Third Proportional to 679,590 and 1,587,195

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Solution

The third proportional to 679,590 and 1,587,195 is: 3,706,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,590 : 1,587,195 = 1,587,195 : x
  2. Step 2: Convert to fraction form
    679,590/1,587,195 = 1,587,195/x
  3. Step 3: Cross multiply
    679,590x = 1,587,195 × 1,587,195
  4. Step 4: Simplify right side
    679,590x = 2,519,187,968,025
  5. Step 5: Solve for x
    x = 2,519,187,968,025/679,590
  6. Step 6: Final answer
    x = 3,706,923.24

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.