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Finding the Third Proportional to 163,110 and 358,296

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Solution

The third proportional to 163,110 and 358,296 is: 787,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,110 : 358,296 = 358,296 : x
  2. Step 2: Convert to fraction form
    163,110/358,296 = 358,296/x
  3. Step 3: Cross multiply
    163,110x = 358,296 × 358,296
  4. Step 4: Simplify right side
    163,110x = 128,376,023,616
  5. Step 5: Solve for x
    x = 128,376,023,616/163,110
  6. Step 6: Final answer
    x = 787,051.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.