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Finding the Third Proportional to 75,623 and 164,582

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Solution

The third proportional to 75,623 and 164,582 is: 358,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623 : 164,582 = 164,582 : x
  2. Step 2: Convert to fraction form
    75,623/164,582 = 164,582/x
  3. Step 3: Cross multiply
    75,623x = 164,582 × 164,582
  4. Step 4: Simplify right side
    75,623x = 27,087,234,724
  5. Step 5: Solve for x
    x = 27,087,234,724/75,623
  6. Step 6: Final answer
    x = 358,187.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.