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Finding the Third Proportional to 103,688 and 154,883

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Solution

The third proportional to 103,688 and 154,883 is: 231,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688 : 154,883 = 154,883 : x
  2. Step 2: Convert to fraction form
    103,688/154,883 = 154,883/x
  3. Step 3: Cross multiply
    103,688x = 154,883 × 154,883
  4. Step 4: Simplify right side
    103,688x = 23,988,743,689
  5. Step 5: Solve for x
    x = 23,988,743,689/103,688
  6. Step 6: Final answer
    x = 231,355.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.