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Finding the Third Proportional to 154,437 and 246,643.50

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Solution

The third proportional to 154,437 and 246,643.50 is: 393,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,437 : 246,643.50 = 246,643.50 : x
  2. Step 2: Convert to fraction form
    154,437/246,643.50 = 246,643.50/x
  3. Step 3: Cross multiply
    154,437x = 246,643.50 × 246,643.50
  4. Step 4: Simplify right side
    154,437x = 60,833,016,092.25
  5. Step 5: Solve for x
    x = 60,833,016,092.25/154,437
  6. Step 6: Final answer
    x = 393,901.82

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.