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Finding the Third Proportional to 4,807.13 and 10,193.63

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Solution

The third proportional to 4,807.13 and 10,193.63 is: 21,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.13 : 10,193.63 = 10,193.63 : x
  2. Step 2: Convert to fraction form
    4,807.13/10,193.63 = 10,193.63/x
  3. Step 3: Cross multiply
    4,807.13x = 10,193.63 × 10,193.63
  4. Step 4: Simplify right side
    4,807.13x = 103,909,990.64
  5. Step 5: Solve for x
    x = 103,909,990.64/4,807.13
  6. Step 6: Final answer
    x = 21,615.83

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.