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Finding the Third Proportional to 102,364 and 156,788

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Solution

The third proportional to 102,364 and 156,788 is: 240,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,364 : 156,788 = 156,788 : x
  2. Step 2: Convert to fraction form
    102,364/156,788 = 156,788/x
  3. Step 3: Cross multiply
    102,364x = 156,788 × 156,788
  4. Step 4: Simplify right side
    102,364x = 24,582,476,944
  5. Step 5: Solve for x
    x = 24,582,476,944/102,364
  6. Step 6: Final answer
    x = 240,147.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.