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Finding the Third Proportional to 8,558.16 and 18,483.19

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Solution

The third proportional to 8,558.16 and 18,483.19 is: 39,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.16 : 18,483.19 = 18,483.19 : x
  2. Step 2: Convert to fraction form
    8,558.16/18,483.19 = 18,483.19/x
  3. Step 3: Cross multiply
    8,558.16x = 18,483.19 × 18,483.19
  4. Step 4: Simplify right side
    8,558.16x = 341,628,220.16
  5. Step 5: Solve for x
    x = 341,628,220.16/8,558.16
  6. Step 6: Final answer
    x = 39,918.44

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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.