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Finding the Third Proportional to 4,277.50 and 9,323

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Solution

The third proportional to 4,277.50 and 9,323 is: 20,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.50 : 9,323 = 9,323 : x
  2. Step 2: Convert to fraction form
    4,277.50/9,323 = 9,323/x
  3. Step 3: Cross multiply
    4,277.50x = 9,323 × 9,323
  4. Step 4: Simplify right side
    4,277.50x = 86,918,329
  5. Step 5: Solve for x
    x = 86,918,329/4,277.50
  6. Step 6: Final answer
    x = 20,319.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.