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Finding the Third Proportional to 431.75 and 1,037.75

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Solution

The third proportional to 431.75 and 1,037.75 is: 2,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.75 : 1,037.75 = 1,037.75 : x
  2. Step 2: Convert to fraction form
    431.75/1,037.75 = 1,037.75/x
  3. Step 3: Cross multiply
    431.75x = 1,037.75 × 1,037.75
  4. Step 4: Simplify right side
    431.75x = 1,076,925.06
  5. Step 5: Solve for x
    x = 1,076,925.06/431.75
  6. Step 6: Final answer
    x = 2,494.33

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.