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Finding the Third Proportional to 177,570 and 381,492

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Solution

The third proportional to 177,570 and 381,492 is: 819,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,570 : 381,492 = 381,492 : x
  2. Step 2: Convert to fraction form
    177,570/381,492 = 381,492/x
  3. Step 3: Cross multiply
    177,570x = 381,492 × 381,492
  4. Step 4: Simplify right side
    177,570x = 145,536,146,064
  5. Step 5: Solve for x
    x = 145,536,146,064/177,570
  6. Step 6: Final answer
    x = 819,598.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.