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Finding the Third Proportional to 335 and 717.50

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Solution

The third proportional to 335 and 717.50 is: 1,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335 : 717.50 = 717.50 : x
  2. Step 2: Convert to fraction form
    335/717.50 = 717.50/x
  3. Step 3: Cross multiply
    335x = 717.50 × 717.50
  4. Step 4: Simplify right side
    335x = 514,806.25
  5. Step 5: Solve for x
    x = 514,806.25/335
  6. Step 6: Final answer
    x = 1,536.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.