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Finding the Third Proportional to 161,961.75 and 353,398.50

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Solution

The third proportional to 161,961.75 and 353,398.50 is: 771,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,961.75 : 353,398.50 = 353,398.50 : x
  2. Step 2: Convert to fraction form
    161,961.75/353,398.50 = 353,398.50/x
  3. Step 3: Cross multiply
    161,961.75x = 353,398.50 × 353,398.50
  4. Step 4: Simplify right side
    161,961.75x = 124,890,499,802.25
  5. Step 5: Solve for x
    x = 124,890,499,802.25/161,961.75
  6. Step 6: Final answer
    x = 771,111.08

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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.