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Finding the Third Proportional to 136,553 and 298,120

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Solution

The third proportional to 136,553 and 298,120 is: 650,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,553 : 298,120 = 298,120 : x
  2. Step 2: Convert to fraction form
    136,553/298,120 = 298,120/x
  3. Step 3: Cross multiply
    136,553x = 298,120 × 298,120
  4. Step 4: Simplify right side
    136,553x = 88,875,534,400
  5. Step 5: Solve for x
    x = 88,875,534,400/136,553
  6. Step 6: Final answer
    x = 650,850.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.