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Finding the Third Proportional to 511,423.88 and 767,135.81

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Solution

The third proportional to 511,423.88 and 767,135.81 is: 1,150,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,423.88 : 767,135.81 = 767,135.81 : x
  2. Step 2: Convert to fraction form
    511,423.88/767,135.81 = 767,135.81/x
  3. Step 3: Cross multiply
    511,423.88x = 767,135.81 × 767,135.81
  4. Step 4: Simplify right side
    511,423.88x = 588,497,354,820.04
  5. Step 5: Solve for x
    x = 588,497,354,820.04/511,423.88
  6. Step 6: Final answer
    x = 1,150,703.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.