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Finding the Third Proportional to 122,160 and 262,788

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Solution

The third proportional to 122,160 and 262,788 is: 565,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,160 : 262,788 = 262,788 : x
  2. Step 2: Convert to fraction form
    122,160/262,788 = 262,788/x
  3. Step 3: Cross multiply
    122,160x = 262,788 × 262,788
  4. Step 4: Simplify right side
    122,160x = 69,057,532,944
  5. Step 5: Solve for x
    x = 69,057,532,944/122,160
  6. Step 6: Final answer
    x = 565,303.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.