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Finding the Third Proportional to 92,005 and 138,468

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Solution

The third proportional to 92,005 and 138,468 is: 208,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005 : 138,468 = 138,468 : x
  2. Step 2: Convert to fraction form
    92,005/138,468 = 138,468/x
  3. Step 3: Cross multiply
    92,005x = 138,468 × 138,468
  4. Step 4: Simplify right side
    92,005x = 19,173,387,024
  5. Step 5: Solve for x
    x = 19,173,387,024/92,005
  6. Step 6: Final answer
    x = 208,395.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.