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Finding the Third Proportional to 67,518.56 and 145,504.13

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Solution

The third proportional to 67,518.56 and 145,504.13 is: 313,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,518.56 : 145,504.13 = 145,504.13 : x
  2. Step 2: Convert to fraction form
    67,518.56/145,504.13 = 145,504.13/x
  3. Step 3: Cross multiply
    67,518.56x = 145,504.13 × 145,504.13
  4. Step 4: Simplify right side
    67,518.56x = 21,171,450,392.02
  5. Step 5: Solve for x
    x = 21,171,450,392.02/67,518.56
  6. Step 6: Final answer
    x = 313,564.89

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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.