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Finding the Third Proportional to 77,270.75 and 162,844

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Solution

The third proportional to 77,270.75 and 162,844 is: 343,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,270.75 : 162,844 = 162,844 : x
  2. Step 2: Convert to fraction form
    77,270.75/162,844 = 162,844/x
  3. Step 3: Cross multiply
    77,270.75x = 162,844 × 162,844
  4. Step 4: Simplify right side
    77,270.75x = 26,518,168,336
  5. Step 5: Solve for x
    x = 26,518,168,336/77,270.75
  6. Step 6: Final answer
    x = 343,185.08

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.