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Finding the Third Proportional to 90,043 and 193,428

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Solution

The third proportional to 90,043 and 193,428 is: 415,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,043 : 193,428 = 193,428 : x
  2. Step 2: Convert to fraction form
    90,043/193,428 = 193,428/x
  3. Step 3: Cross multiply
    90,043x = 193,428 × 193,428
  4. Step 4: Simplify right side
    90,043x = 37,414,391,184
  5. Step 5: Solve for x
    x = 37,414,391,184/90,043
  6. Step 6: Final answer
    x = 415,516.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.