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Finding the Third Proportional to 103,672 and 160,089

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Solution

The third proportional to 103,672 and 160,089 is: 247,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672 : 160,089 = 160,089 : x
  2. Step 2: Convert to fraction form
    103,672/160,089 = 160,089/x
  3. Step 3: Cross multiply
    103,672x = 160,089 × 160,089
  4. Step 4: Simplify right side
    103,672x = 25,628,487,921
  5. Step 5: Solve for x
    x = 25,628,487,921/103,672
  6. Step 6: Final answer
    x = 247,207.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.