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Finding the Third Proportional to 56,118 and 86,148

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Solution

The third proportional to 56,118 and 86,148 is: 132,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,118 : 86,148 = 86,148 : x
  2. Step 2: Convert to fraction form
    56,118/86,148 = 86,148/x
  3. Step 3: Cross multiply
    56,118x = 86,148 × 86,148
  4. Step 4: Simplify right side
    56,118x = 7,421,477,904
  5. Step 5: Solve for x
    x = 7,421,477,904/56,118
  6. Step 6: Final answer
    x = 132,247.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.