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Finding the Third Proportional to 27,904 and 61,316

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Solution

The third proportional to 27,904 and 61,316 is: 134,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904 : 61,316 = 61,316 : x
  2. Step 2: Convert to fraction form
    27,904/61,316 = 61,316/x
  3. Step 3: Cross multiply
    27,904x = 61,316 × 61,316
  4. Step 4: Simplify right side
    27,904x = 3,759,651,856
  5. Step 5: Solve for x
    x = 3,759,651,856/27,904
  6. Step 6: Final answer
    x = 134,735.23

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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.