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Finding the Third Proportional to 375,660 and 768,600

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Solution

The third proportional to 375,660 and 768,600 is: 1,572,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,660 : 768,600 = 768,600 : x
  2. Step 2: Convert to fraction form
    375,660/768,600 = 768,600/x
  3. Step 3: Cross multiply
    375,660x = 768,600 × 768,600
  4. Step 4: Simplify right side
    375,660x = 590,745,960,000
  5. Step 5: Solve for x
    x = 590,745,960,000/375,660
  6. Step 6: Final answer
    x = 1,572,554.86

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.