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Finding the Third Proportional to 848.75 and 1,313.75

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Solution

The third proportional to 848.75 and 1,313.75 is: 2,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.75 : 1,313.75 = 1,313.75 : x
  2. Step 2: Convert to fraction form
    848.75/1,313.75 = 1,313.75/x
  3. Step 3: Cross multiply
    848.75x = 1,313.75 × 1,313.75
  4. Step 4: Simplify right side
    848.75x = 1,725,939.06
  5. Step 5: Solve for x
    x = 1,725,939.06/848.75
  6. Step 6: Final answer
    x = 2,033.51

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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.