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Finding the Third Proportional to 3,487.50 and 7,335

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Solution

The third proportional to 3,487.50 and 7,335 is: 15,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.50 : 7,335 = 7,335 : x
  2. Step 2: Convert to fraction form
    3,487.50/7,335 = 7,335/x
  3. Step 3: Cross multiply
    3,487.50x = 7,335 × 7,335
  4. Step 4: Simplify right side
    3,487.50x = 53,802,225
  5. Step 5: Solve for x
    x = 53,802,225/3,487.50
  6. Step 6: Final answer
    x = 15,427.16

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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.