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Finding the Third Proportional to 8,464 and 19,320

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Solution

The third proportional to 8,464 and 19,320 is: 44,100

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464 : 19,320 = 19,320 : x
  2. Step 2: Convert to fraction form
    8,464/19,320 = 19,320/x
  3. Step 3: Cross multiply
    8,464x = 19,320 × 19,320
  4. Step 4: Simplify right side
    8,464x = 373,262,400
  5. Step 5: Solve for x
    x = 373,262,400/8,464
  6. Step 6: Final answer
    x = 44,100

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.