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Finding the Third Proportional to 4,869.75 and 10,518.38

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Solution

The third proportional to 4,869.75 and 10,518.38 is: 22,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.75 : 10,518.38 = 10,518.38 : x
  2. Step 2: Convert to fraction form
    4,869.75/10,518.38 = 10,518.38/x
  3. Step 3: Cross multiply
    4,869.75x = 10,518.38 × 10,518.38
  4. Step 4: Simplify right side
    4,869.75x = 110,636,212.64
  5. Step 5: Solve for x
    x = 110,636,212.64/4,869.75
  6. Step 6: Final answer
    x = 22,719.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.