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Finding the Third Proportional to 621,062 and 1,330,656

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Solution

The third proportional to 621,062 and 1,330,656 is: 2,850,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,062 : 1,330,656 = 1,330,656 : x
  2. Step 2: Convert to fraction form
    621,062/1,330,656 = 1,330,656/x
  3. Step 3: Cross multiply
    621,062x = 1,330,656 × 1,330,656
  4. Step 4: Simplify right side
    621,062x = 1,770,645,390,336
  5. Step 5: Solve for x
    x = 1,770,645,390,336/621,062
  6. Step 6: Final answer
    x = 2,850,996.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.