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Finding the Third Proportional to 56,130 and 82,025

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Solution

The third proportional to 56,130 and 82,025 is: 119,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130 : 82,025 = 82,025 : x
  2. Step 2: Convert to fraction form
    56,130/82,025 = 82,025/x
  3. Step 3: Cross multiply
    56,130x = 82,025 × 82,025
  4. Step 4: Simplify right side
    56,130x = 6,728,100,625
  5. Step 5: Solve for x
    x = 6,728,100,625/56,130
  6. Step 6: Final answer
    x = 119,866.39

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.