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Finding the Third Proportional to 77,784 and 160,752

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Solution

The third proportional to 77,784 and 160,752 is: 332,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,784 : 160,752 = 160,752 : x
  2. Step 2: Convert to fraction form
    77,784/160,752 = 160,752/x
  3. Step 3: Cross multiply
    77,784x = 160,752 × 160,752
  4. Step 4: Simplify right side
    77,784x = 25,841,205,504
  5. Step 5: Solve for x
    x = 25,841,205,504/77,784
  6. Step 6: Final answer
    x = 332,217.49

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.