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Finding the Third Proportional to 627,521 and 1,292,181

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Solution

The third proportional to 627,521 and 1,292,181 is: 2,660,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,521 : 1,292,181 = 1,292,181 : x
  2. Step 2: Convert to fraction form
    627,521/1,292,181 = 1,292,181/x
  3. Step 3: Cross multiply
    627,521x = 1,292,181 × 1,292,181
  4. Step 4: Simplify right side
    627,521x = 1,669,731,736,761
  5. Step 5: Solve for x
    x = 1,669,731,736,761/627,521
  6. Step 6: Final answer
    x = 2,660,838.02

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.