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Finding the Third Proportional to 235 and 493.75

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Solution

The third proportional to 235 and 493.75 is: 1,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235 : 493.75 = 493.75 : x
  2. Step 2: Convert to fraction form
    235/493.75 = 493.75/x
  3. Step 3: Cross multiply
    235x = 493.75 × 493.75
  4. Step 4: Simplify right side
    235x = 243,789.06
  5. Step 5: Solve for x
    x = 243,789.06/235
  6. Step 6: Final answer
    x = 1,037.40

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.