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Finding the Third Proportional to 373,857.75 and 815,384.25

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Solution

The third proportional to 373,857.75 and 815,384.25 is: 1,778,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,857.75 : 815,384.25 = 815,384.25 : x
  2. Step 2: Convert to fraction form
    373,857.75/815,384.25 = 815,384.25/x
  3. Step 3: Cross multiply
    373,857.75x = 815,384.25 × 815,384.25
  4. Step 4: Simplify right side
    373,857.75x = 664,851,475,148.06
  5. Step 5: Solve for x
    x = 664,851,475,148.06/373,857.75
  6. Step 6: Final answer
    x = 1,778,354.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.