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Finding the Third Proportional to 156,792 and 236,647

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Solution

The third proportional to 156,792 and 236,647 is: 357,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792 : 236,647 = 236,647 : x
  2. Step 2: Convert to fraction form
    156,792/236,647 = 236,647/x
  3. Step 3: Cross multiply
    156,792x = 236,647 × 236,647
  4. Step 4: Simplify right side
    156,792x = 56,001,802,609
  5. Step 5: Solve for x
    x = 56,001,802,609/156,792
  6. Step 6: Final answer
    x = 357,172.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.