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Finding the Third Proportional to 756,859.50 and 1,173,120.75

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Solution

The third proportional to 756,859.50 and 1,173,120.75 is: 1,818,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,859.50 : 1,173,120.75 = 1,173,120.75 : x
  2. Step 2: Convert to fraction form
    756,859.50/1,173,120.75 = 1,173,120.75/x
  3. Step 3: Cross multiply
    756,859.50x = 1,173,120.75 × 1,173,120.75
  4. Step 4: Simplify right side
    756,859.50x = 1,376,212,294,080.56
  5. Step 5: Solve for x
    x = 1,376,212,294,080.56/756,859.50
  6. Step 6: Final answer
    x = 1,818,319.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.