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Finding the Third Proportional to 68,386 and 154,332

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Solution

The third proportional to 68,386 and 154,332 is: 348,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386 : 154,332 = 154,332 : x
  2. Step 2: Convert to fraction form
    68,386/154,332 = 154,332/x
  3. Step 3: Cross multiply
    68,386x = 154,332 × 154,332
  4. Step 4: Simplify right side
    68,386x = 23,818,366,224
  5. Step 5: Solve for x
    x = 23,818,366,224/68,386
  6. Step 6: Final answer
    x = 348,293.02

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.