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Finding the Third Proportional to 495,360 and 787,236.75

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Solution

The third proportional to 495,360 and 787,236.75 is: 1,251,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,360 : 787,236.75 = 787,236.75 : x
  2. Step 2: Convert to fraction form
    495,360/787,236.75 = 787,236.75/x
  3. Step 3: Cross multiply
    495,360x = 787,236.75 × 787,236.75
  4. Step 4: Simplify right side
    495,360x = 619,741,700,550.56
  5. Step 5: Solve for x
    x = 619,741,700,550.56/495,360
  6. Step 6: Final answer
    x = 1,251,093.55

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.