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Finding the Third Proportional to 30,187.13 and 65,563.88

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Solution

The third proportional to 30,187.13 and 65,563.88 is: 142,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.13 : 65,563.88 = 65,563.88 : x
  2. Step 2: Convert to fraction form
    30,187.13/65,563.88 = 65,563.88/x
  3. Step 3: Cross multiply
    30,187.13x = 65,563.88 × 65,563.88
  4. Step 4: Simplify right side
    30,187.13x = 4,298,621,705.02
  5. Step 5: Solve for x
    x = 4,298,621,705.02/30,187.13
  6. Step 6: Final answer
    x = 142,399.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.