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Finding the Third Proportional to 109,143.56 and 163,041.75

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Solution

The third proportional to 109,143.56 and 163,041.75 is: 243,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,143.56 : 163,041.75 = 163,041.75 : x
  2. Step 2: Convert to fraction form
    109,143.56/163,041.75 = 163,041.75/x
  3. Step 3: Cross multiply
    109,143.56x = 163,041.75 × 163,041.75
  4. Step 4: Simplify right side
    109,143.56x = 26,582,612,243.06
  5. Step 5: Solve for x
    x = 26,582,612,243.06/109,143.56
  6. Step 6: Final answer
    x = 243,556.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.