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Finding the Third Proportional to 86,240.25 and 134,605.50

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Solution

The third proportional to 86,240.25 and 134,605.50 is: 210,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,240.25 : 134,605.50 = 134,605.50 : x
  2. Step 2: Convert to fraction form
    86,240.25/134,605.50 = 134,605.50/x
  3. Step 3: Cross multiply
    86,240.25x = 134,605.50 × 134,605.50
  4. Step 4: Simplify right side
    86,240.25x = 18,118,640,630.25
  5. Step 5: Solve for x
    x = 18,118,640,630.25/86,240.25
  6. Step 6: Final answer
    x = 210,094.95

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.