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Finding the Third Proportional to 61,036 and 128,633

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Solution

The third proportional to 61,036 and 128,633 is: 271,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036 : 128,633 = 128,633 : x
  2. Step 2: Convert to fraction form
    61,036/128,633 = 128,633/x
  3. Step 3: Cross multiply
    61,036x = 128,633 × 128,633
  4. Step 4: Simplify right side
    61,036x = 16,546,448,689
  5. Step 5: Solve for x
    x = 16,546,448,689/61,036
  6. Step 6: Final answer
    x = 271,093.27

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.