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Finding the Third Proportional to 375,214.78 and 820,493.30

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Solution

The third proportional to 375,214.78 and 820,493.30 is: 1,794,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,214.78 : 820,493.30 = 820,493.30 : x
  2. Step 2: Convert to fraction form
    375,214.78/820,493.30 = 820,493.30/x
  3. Step 3: Cross multiply
    375,214.78x = 820,493.30 × 820,493.30
  4. Step 4: Simplify right side
    375,214.78x = 673,209,250,216.81
  5. Step 5: Solve for x
    x = 673,209,250,216.81/375,214.78
  6. Step 6: Final answer
    x = 1,794,197.04

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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.