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Finding the Third Proportional to 621,292 and 1,358,882

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Solution

The third proportional to 621,292 and 1,358,882 is: 2,972,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,292 : 1,358,882 = 1,358,882 : x
  2. Step 2: Convert to fraction form
    621,292/1,358,882 = 1,358,882/x
  3. Step 3: Cross multiply
    621,292x = 1,358,882 × 1,358,882
  4. Step 4: Simplify right side
    621,292x = 1,846,560,289,924
  5. Step 5: Solve for x
    x = 1,846,560,289,924/621,292
  6. Step 6: Final answer
    x = 2,972,129.51

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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.