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Finding the Third Proportional to 68,364 and 149,904

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Solution

The third proportional to 68,364 and 149,904 is: 328,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364 : 149,904 = 149,904 : x
  2. Step 2: Convert to fraction form
    68,364/149,904 = 149,904/x
  3. Step 3: Cross multiply
    68,364x = 149,904 × 149,904
  4. Step 4: Simplify right side
    68,364x = 22,471,209,216
  5. Step 5: Solve for x
    x = 22,471,209,216/68,364
  6. Step 6: Final answer
    x = 328,699.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.