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Finding the Third Proportional to 161,139 and 349,962

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Solution

The third proportional to 161,139 and 349,962 is: 760,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,139 : 349,962 = 349,962 : x
  2. Step 2: Convert to fraction form
    161,139/349,962 = 349,962/x
  3. Step 3: Cross multiply
    161,139x = 349,962 × 349,962
  4. Step 4: Simplify right side
    161,139x = 122,473,401,444
  5. Step 5: Solve for x
    x = 122,473,401,444/161,139
  6. Step 6: Final answer
    x = 760,048.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.