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Finding the Third Proportional to 620,610 and 1,351,812

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Solution

The third proportional to 620,610 and 1,351,812 is: 2,944,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,610 : 1,351,812 = 1,351,812 : x
  2. Step 2: Convert to fraction form
    620,610/1,351,812 = 1,351,812/x
  3. Step 3: Cross multiply
    620,610x = 1,351,812 × 1,351,812
  4. Step 4: Simplify right side
    620,610x = 1,827,395,683,344
  5. Step 5: Solve for x
    x = 1,827,395,683,344/620,610
  6. Step 6: Final answer
    x = 2,944,515.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.