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Finding the Third Proportional to 48,120 and 102,774

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Solution

The third proportional to 48,120 and 102,774 is: 219,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120 : 102,774 = 102,774 : x
  2. Step 2: Convert to fraction form
    48,120/102,774 = 102,774/x
  3. Step 3: Cross multiply
    48,120x = 102,774 × 102,774
  4. Step 4: Simplify right side
    48,120x = 10,562,495,076
  5. Step 5: Solve for x
    x = 10,562,495,076/48,120
  6. Step 6: Final answer
    x = 219,503.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.