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Finding the Third Proportional to 92,718 and 200,218.50

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Solution

The third proportional to 92,718 and 200,218.50 is: 432,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,718 : 200,218.50 = 200,218.50 : x
  2. Step 2: Convert to fraction form
    92,718/200,218.50 = 200,218.50/x
  3. Step 3: Cross multiply
    92,718x = 200,218.50 × 200,218.50
  4. Step 4: Simplify right side
    92,718x = 40,087,447,742.25
  5. Step 5: Solve for x
    x = 40,087,447,742.25/92,718
  6. Step 6: Final answer
    x = 432,358.85

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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.