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Finding the Third Proportional to 8,796 and 19,320

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Solution

The third proportional to 8,796 and 19,320 is: 42,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796 : 19,320 = 19,320 : x
  2. Step 2: Convert to fraction form
    8,796/19,320 = 19,320/x
  3. Step 3: Cross multiply
    8,796x = 19,320 × 19,320
  4. Step 4: Simplify right side
    8,796x = 373,262,400
  5. Step 5: Solve for x
    x = 373,262,400/8,796
  6. Step 6: Final answer
    x = 42,435.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.