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Finding the Third Proportional to 4,497.75 and 9,788.63

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Solution

The third proportional to 4,497.75 and 9,788.63 is: 21,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,497.75 : 9,788.63 = 9,788.63 : x
  2. Step 2: Convert to fraction form
    4,497.75/9,788.63 = 9,788.63/x
  3. Step 3: Cross multiply
    4,497.75x = 9,788.63 × 9,788.63
  4. Step 4: Simplify right side
    4,497.75x = 95,817,179.39
  5. Step 5: Solve for x
    x = 95,817,179.39/4,497.75
  6. Step 6: Final answer
    x = 21,303.36

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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.