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Finding the Third Proportional to 375,851 and 819,538

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Solution

The third proportional to 375,851 and 819,538 is: 1,786,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,851 : 819,538 = 819,538 : x
  2. Step 2: Convert to fraction form
    375,851/819,538 = 819,538/x
  3. Step 3: Cross multiply
    375,851x = 819,538 × 819,538
  4. Step 4: Simplify right side
    375,851x = 671,642,533,444
  5. Step 5: Solve for x
    x = 671,642,533,444/375,851
  6. Step 6: Final answer
    x = 1,786,991.48

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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.