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Finding the Third Proportional to 5,103 and 10,878.05

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Solution

The third proportional to 5,103 and 10,878.05 is: 23,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103 : 10,878.05 = 10,878.05 : x
  2. Step 2: Convert to fraction form
    5,103/10,878.05 = 10,878.05/x
  3. Step 3: Cross multiply
    5,103x = 10,878.05 × 10,878.05
  4. Step 4: Simplify right side
    5,103x = 118,331,903.81
  5. Step 5: Solve for x
    x = 118,331,903.81/5,103
  6. Step 6: Final answer
    x = 23,188.69

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.