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Finding the Third Proportional to 56,460 and 121,848

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Solution

The third proportional to 56,460 and 121,848 is: 262,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460 : 121,848 = 121,848 : x
  2. Step 2: Convert to fraction form
    56,460/121,848 = 121,848/x
  3. Step 3: Cross multiply
    56,460x = 121,848 × 121,848
  4. Step 4: Simplify right side
    56,460x = 14,846,935,104
  5. Step 5: Solve for x
    x = 14,846,935,104/56,460
  6. Step 6: Final answer
    x = 262,963.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.