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Finding the Third Proportional to 28,044 and 61,778

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Solution

The third proportional to 28,044 and 61,778 is: 136,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044 : 61,778 = 61,778 : x
  2. Step 2: Convert to fraction form
    28,044/61,778 = 61,778/x
  3. Step 3: Cross multiply
    28,044x = 61,778 × 61,778
  4. Step 4: Simplify right side
    28,044x = 3,816,521,284
  5. Step 5: Solve for x
    x = 3,816,521,284/28,044
  6. Step 6: Final answer
    x = 136,090.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.