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Finding the Third Proportional to 373,427 and 819,418

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Solution

The third proportional to 373,427 and 819,418 is: 1,798,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,427 : 819,418 = 819,418 : x
  2. Step 2: Convert to fraction form
    373,427/819,418 = 819,418/x
  3. Step 3: Cross multiply
    373,427x = 819,418 × 819,418
  4. Step 4: Simplify right side
    373,427x = 671,445,858,724
  5. Step 5: Solve for x
    x = 671,445,858,724/373,427
  6. Step 6: Final answer
    x = 1,798,064.57

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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.