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Finding the Third Proportional to 77,602 and 118,659

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Solution

The third proportional to 77,602 and 118,659 is: 181,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,602 : 118,659 = 118,659 : x
  2. Step 2: Convert to fraction form
    77,602/118,659 = 118,659/x
  3. Step 3: Cross multiply
    77,602x = 118,659 × 118,659
  4. Step 4: Simplify right side
    77,602x = 14,079,958,281
  5. Step 5: Solve for x
    x = 14,079,958,281/77,602
  6. Step 6: Final answer
    x = 181,438.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.