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Finding the Third Proportional to 629,153 and 1,358,418

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Solution

The third proportional to 629,153 and 1,358,418 is: 2,932,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,153 : 1,358,418 = 1,358,418 : x
  2. Step 2: Convert to fraction form
    629,153/1,358,418 = 1,358,418/x
  3. Step 3: Cross multiply
    629,153x = 1,358,418 × 1,358,418
  4. Step 4: Simplify right side
    629,153x = 1,845,299,462,724
  5. Step 5: Solve for x
    x = 1,845,299,462,724/629,153
  6. Step 6: Final answer
    x = 2,932,990.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.