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Finding the Third Proportional to 64,196 and 154,643

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Solution

The third proportional to 64,196 and 154,643 is: 372,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,196 : 154,643 = 154,643 : x
  2. Step 2: Convert to fraction form
    64,196/154,643 = 154,643/x
  3. Step 3: Cross multiply
    64,196x = 154,643 × 154,643
  4. Step 4: Simplify right side
    64,196x = 23,914,457,449
  5. Step 5: Solve for x
    x = 23,914,457,449/64,196
  6. Step 6: Final answer
    x = 372,522.55

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.