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Finding the Third Proportional to 556.75 and 833.75

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Solution

The third proportional to 556.75 and 833.75 is: 1,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.75 : 833.75 = 833.75 : x
  2. Step 2: Convert to fraction form
    556.75/833.75 = 833.75/x
  3. Step 3: Cross multiply
    556.75x = 833.75 × 833.75
  4. Step 4: Simplify right side
    556.75x = 695,139.06
  5. Step 5: Solve for x
    x = 695,139.06/556.75
  6. Step 6: Final answer
    x = 1,248.57

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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.