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Finding the Third Proportional to 9,312 and 20,265

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Solution

The third proportional to 9,312 and 20,265 is: 44,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312 : 20,265 = 20,265 : x
  2. Step 2: Convert to fraction form
    9,312/20,265 = 20,265/x
  3. Step 3: Cross multiply
    9,312x = 20,265 × 20,265
  4. Step 4: Simplify right side
    9,312x = 410,670,225
  5. Step 5: Solve for x
    x = 410,670,225/9,312
  6. Step 6: Final answer
    x = 44,101.18

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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.