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Finding the Third Proportional to 175,513 and 379,023

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Solution

The third proportional to 175,513 and 379,023 is: 818,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,513 : 379,023 = 379,023 : x
  2. Step 2: Convert to fraction form
    175,513/379,023 = 379,023/x
  3. Step 3: Cross multiply
    175,513x = 379,023 × 379,023
  4. Step 4: Simplify right side
    175,513x = 143,658,434,529
  5. Step 5: Solve for x
    x = 143,658,434,529/175,513
  6. Step 6: Final answer
    x = 818,505.95

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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.