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Finding the Third Proportional to 5,308.13 and 11,636.25

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Solution

The third proportional to 5,308.13 and 11,636.25 is: 25,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.13 : 11,636.25 = 11,636.25 : x
  2. Step 2: Convert to fraction form
    5,308.13/11,636.25 = 11,636.25/x
  3. Step 3: Cross multiply
    5,308.13x = 11,636.25 × 11,636.25
  4. Step 4: Simplify right side
    5,308.13x = 135,402,314.06
  5. Step 5: Solve for x
    x = 135,402,314.06/5,308.13
  6. Step 6: Final answer
    x = 25,508.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.