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Finding the Third Proportional to 577,939.50 and 767,076.75

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Solution

The third proportional to 577,939.50 and 767,076.75 is: 1,018,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,939.50 : 767,076.75 = 767,076.75 : x
  2. Step 2: Convert to fraction form
    577,939.50/767,076.75 = 767,076.75/x
  3. Step 3: Cross multiply
    577,939.50x = 767,076.75 × 767,076.75
  4. Step 4: Simplify right side
    577,939.50x = 588,406,740,390.56
  5. Step 5: Solve for x
    x = 588,406,740,390.56/577,939.50
  6. Step 6: Final answer
    x = 1,018,111.31

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.