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Finding the Third Proportional to 154,688 and 246,141

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Solution

The third proportional to 154,688 and 246,141 is: 391,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,688 : 246,141 = 246,141 : x
  2. Step 2: Convert to fraction form
    154,688/246,141 = 246,141/x
  3. Step 3: Cross multiply
    154,688x = 246,141 × 246,141
  4. Step 4: Simplify right side
    154,688x = 60,585,391,881
  5. Step 5: Solve for x
    x = 60,585,391,881/154,688
  6. Step 6: Final answer
    x = 391,661.87

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.