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Finding the Third Proportional to 163,647 and 353,115

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Solution

The third proportional to 163,647 and 353,115 is: 761,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647 : 353,115 = 353,115 : x
  2. Step 2: Convert to fraction form
    163,647/353,115 = 353,115/x
  3. Step 3: Cross multiply
    163,647x = 353,115 × 353,115
  4. Step 4: Simplify right side
    163,647x = 124,690,203,225
  5. Step 5: Solve for x
    x = 124,690,203,225/163,647
  6. Step 6: Final answer
    x = 761,946.16

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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.