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Finding the Third Proportional to 380,376 and 531,750

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Solution

The third proportional to 380,376 and 531,750 is: 743,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,376 : 531,750 = 531,750 : x
  2. Step 2: Convert to fraction form
    380,376/531,750 = 531,750/x
  3. Step 3: Cross multiply
    380,376x = 531,750 × 531,750
  4. Step 4: Simplify right side
    380,376x = 282,758,062,500
  5. Step 5: Solve for x
    x = 282,758,062,500/380,376
  6. Step 6: Final answer
    x = 743,364.62

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.