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Finding the Third Proportional to 69,086 and 147,973

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Solution

The third proportional to 69,086 and 147,973 is: 316,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,086 : 147,973 = 147,973 : x
  2. Step 2: Convert to fraction form
    69,086/147,973 = 147,973/x
  3. Step 3: Cross multiply
    69,086x = 147,973 × 147,973
  4. Step 4: Simplify right side
    69,086x = 21,896,008,729
  5. Step 5: Solve for x
    x = 21,896,008,729/69,086
  6. Step 6: Final answer
    x = 316,938.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.