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Finding the Third Proportional to 48,608 and 69,508

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Solution

The third proportional to 48,608 and 69,508 is: 99,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608 : 69,508 = 69,508 : x
  2. Step 2: Convert to fraction form
    48,608/69,508 = 69,508/x
  3. Step 3: Cross multiply
    48,608x = 69,508 × 69,508
  4. Step 4: Simplify right side
    48,608x = 4,831,362,064
  5. Step 5: Solve for x
    x = 4,831,362,064/48,608
  6. Step 6: Final answer
    x = 99,394.38

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.