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Finding the Third Proportional to 163,380.38 and 353,900.81

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Solution

The third proportional to 163,380.38 and 353,900.81 is: 766,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,380.38 : 353,900.81 = 353,900.81 : x
  2. Step 2: Convert to fraction form
    163,380.38/353,900.81 = 353,900.81/x
  3. Step 3: Cross multiply
    163,380.38x = 353,900.81 × 353,900.81
  4. Step 4: Simplify right side
    163,380.38x = 125,245,785,088.16
  5. Step 5: Solve for x
    x = 125,245,785,088.16/163,380.38
  6. Step 6: Final answer
    x = 766,590.14

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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.