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Finding the Third Proportional to 376,170.75 and 811,390.50

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Solution

The third proportional to 376,170.75 and 811,390.50 is: 1,750,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,170.75 : 811,390.50 = 811,390.50 : x
  2. Step 2: Convert to fraction form
    376,170.75/811,390.50 = 811,390.50/x
  3. Step 3: Cross multiply
    376,170.75x = 811,390.50 × 811,390.50
  4. Step 4: Simplify right side
    376,170.75x = 658,354,543,490.25
  5. Step 5: Solve for x
    x = 658,354,543,490.25/376,170.75
  6. Step 6: Final answer
    x = 1,750,148.15

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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.