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Finding the Third Proportional to 56,322 and 85,968

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Solution

The third proportional to 56,322 and 85,968 is: 131,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,322 : 85,968 = 85,968 : x
  2. Step 2: Convert to fraction form
    56,322/85,968 = 85,968/x
  3. Step 3: Cross multiply
    56,322x = 85,968 × 85,968
  4. Step 4: Simplify right side
    56,322x = 7,390,497,024
  5. Step 5: Solve for x
    x = 7,390,497,024/56,322
  6. Step 6: Final answer
    x = 131,218.65

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.