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Finding the Third Proportional to 56,768 and 85,938

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Solution

The third proportional to 56,768 and 85,938 is: 130,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768 : 85,938 = 85,938 : x
  2. Step 2: Convert to fraction form
    56,768/85,938 = 85,938/x
  3. Step 3: Cross multiply
    56,768x = 85,938 × 85,938
  4. Step 4: Simplify right side
    56,768x = 7,385,339,844
  5. Step 5: Solve for x
    x = 7,385,339,844/56,768
  6. Step 6: Final answer
    x = 130,096.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.