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Finding the Third Proportional to 28,036 and 61,160

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Solution

The third proportional to 28,036 and 61,160 is: 133,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036 : 61,160 = 61,160 : x
  2. Step 2: Convert to fraction form
    28,036/61,160 = 61,160/x
  3. Step 3: Cross multiply
    28,036x = 61,160 × 61,160
  4. Step 4: Simplify right side
    28,036x = 3,740,545,600
  5. Step 5: Solve for x
    x = 3,740,545,600/28,036
  6. Step 6: Final answer
    x = 133,419.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.