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Finding the Third Proportional to 56,135 and 86,754

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Solution

The third proportional to 56,135 and 86,754 is: 134,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135 : 86,754 = 86,754 : x
  2. Step 2: Convert to fraction form
    56,135/86,754 = 86,754/x
  3. Step 3: Cross multiply
    56,135x = 86,754 × 86,754
  4. Step 4: Simplify right side
    56,135x = 7,526,256,516
  5. Step 5: Solve for x
    x = 7,526,256,516/56,135
  6. Step 6: Final answer
    x = 134,074.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.