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Finding the Third Proportional to 74,699 and 161,283

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Solution

The third proportional to 74,699 and 161,283 is: 348,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699 : 161,283 = 161,283 : x
  2. Step 2: Convert to fraction form
    74,699/161,283 = 161,283/x
  3. Step 3: Cross multiply
    74,699x = 161,283 × 161,283
  4. Step 4: Simplify right side
    74,699x = 26,012,206,089
  5. Step 5: Solve for x
    x = 26,012,206,089/74,699
  6. Step 6: Final answer
    x = 348,226.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.