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Finding the Third Proportional to 48,388 and 103,688

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Solution

The third proportional to 48,388 and 103,688 is: 222,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388 : 103,688 = 103,688 : x
  2. Step 2: Convert to fraction form
    48,388/103,688 = 103,688/x
  3. Step 3: Cross multiply
    48,388x = 103,688 × 103,688
  4. Step 4: Simplify right side
    48,388x = 10,751,201,344
  5. Step 5: Solve for x
    x = 10,751,201,344/48,388
  6. Step 6: Final answer
    x = 222,187.35

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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.