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Finding the Third Proportional to 375,456.75 and 777,515.25

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Solution

The third proportional to 375,456.75 and 777,515.25 is: 1,610,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,456.75 : 777,515.25 = 777,515.25 : x
  2. Step 2: Convert to fraction form
    375,456.75/777,515.25 = 777,515.25/x
  3. Step 3: Cross multiply
    375,456.75x = 777,515.25 × 777,515.25
  4. Step 4: Simplify right side
    375,456.75x = 604,529,963,982.56
  5. Step 5: Solve for x
    x = 604,529,963,982.56/375,456.75
  6. Step 6: Final answer
    x = 1,610,118.78

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.