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Finding the Third Proportional to 8,903.16 and 18,998.06

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Solution

The third proportional to 8,903.16 and 18,998.06 is: 40,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.16 : 18,998.06 = 18,998.06 : x
  2. Step 2: Convert to fraction form
    8,903.16/18,998.06 = 18,998.06/x
  3. Step 3: Cross multiply
    8,903.16x = 18,998.06 × 18,998.06
  4. Step 4: Simplify right side
    8,903.16x = 360,926,378.75
  5. Step 5: Solve for x
    x = 360,926,378.75/8,903.16
  6. Step 6: Final answer
    x = 40,539.15

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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.