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Finding the Third Proportional to 5,402 and 7,299.50

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Solution

The third proportional to 5,402 and 7,299.50 is: 9,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402 : 7,299.50 = 7,299.50 : x
  2. Step 2: Convert to fraction form
    5,402/7,299.50 = 7,299.50/x
  3. Step 3: Cross multiply
    5,402x = 7,299.50 × 7,299.50
  4. Step 4: Simplify right side
    5,402x = 53,282,700.25
  5. Step 5: Solve for x
    x = 53,282,700.25/5,402
  6. Step 6: Final answer
    x = 9,863.51

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.