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Finding the Third Proportional to 56,968 and 85,424

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Solution

The third proportional to 56,968 and 85,424 is: 128,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,968 : 85,424 = 85,424 : x
  2. Step 2: Convert to fraction form
    56,968/85,424 = 85,424/x
  3. Step 3: Cross multiply
    56,968x = 85,424 × 85,424
  4. Step 4: Simplify right side
    56,968x = 7,297,259,776
  5. Step 5: Solve for x
    x = 7,297,259,776/56,968
  6. Step 6: Final answer
    x = 128,094.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.