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Finding the Third Proportional to 8,480 and 9,248

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Solution

The third proportional to 8,480 and 9,248 is: 10,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480 : 9,248 = 9,248 : x
  2. Step 2: Convert to fraction form
    8,480/9,248 = 9,248/x
  3. Step 3: Cross multiply
    8,480x = 9,248 × 9,248
  4. Step 4: Simplify right side
    8,480x = 85,525,504
  5. Step 5: Solve for x
    x = 85,525,504/8,480
  6. Step 6: Final answer
    x = 10,085.55

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.