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Finding the Third Proportional to 163,690.88 and 246,143.81

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Solution

The third proportional to 163,690.88 and 246,143.81 is: 370,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,690.88 : 246,143.81 = 246,143.81 : x
  2. Step 2: Convert to fraction form
    163,690.88/246,143.81 = 246,143.81/x
  3. Step 3: Cross multiply
    163,690.88x = 246,143.81 × 246,143.81
  4. Step 4: Simplify right side
    163,690.88x = 60,586,776,432.04
  5. Step 5: Solve for x
    x = 60,586,776,432.04/163,690.88
  6. Step 6: Final answer
    x = 370,129.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.