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Finding the Third Proportional to 8,798.31 and 18,971.94

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Solution

The third proportional to 8,798.31 and 18,971.94 is: 40,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.31 : 18,971.94 = 18,971.94 : x
  2. Step 2: Convert to fraction form
    8,798.31/18,971.94 = 18,971.94/x
  3. Step 3: Cross multiply
    8,798.31x = 18,971.94 × 18,971.94
  4. Step 4: Simplify right side
    8,798.31x = 359,934,412.50
  5. Step 5: Solve for x
    x = 359,934,412.50/8,798.31
  6. Step 6: Final answer
    x = 40,909.48

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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.