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Finding the Third Proportional to 349,538 and 764,486

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Solution

The third proportional to 349,538 and 764,486 is: 1,672,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,538 : 764,486 = 764,486 : x
  2. Step 2: Convert to fraction form
    349,538/764,486 = 764,486/x
  3. Step 3: Cross multiply
    349,538x = 764,486 × 764,486
  4. Step 4: Simplify right side
    349,538x = 584,438,844,196
  5. Step 5: Solve for x
    x = 584,438,844,196/349,538
  6. Step 6: Final answer
    x = 1,672,032.35

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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.