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Finding the Third Proportional to 285,040.13 and 619,363.69

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Solution

The third proportional to 285,040.13 and 619,363.69 is: 1,345,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,040.13 : 619,363.69 = 619,363.69 : x
  2. Step 2: Convert to fraction form
    285,040.13/619,363.69 = 619,363.69/x
  3. Step 3: Cross multiply
    285,040.13x = 619,363.69 × 619,363.69
  4. Step 4: Simplify right side
    285,040.13x = 383,611,377,393.60
  5. Step 5: Solve for x
    x = 383,611,377,393.60/285,040.13
  6. Step 6: Final answer
    x = 1,345,815.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.