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Finding the Third Proportional to 28,983 and 61,079.75

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Solution

The third proportional to 28,983 and 61,079.75 is: 128,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983 : 61,079.75 = 61,079.75 : x
  2. Step 2: Convert to fraction form
    28,983/61,079.75 = 61,079.75/x
  3. Step 3: Cross multiply
    28,983x = 61,079.75 × 61,079.75
  4. Step 4: Simplify right side
    28,983x = 3,730,735,860.06
  5. Step 5: Solve for x
    x = 3,730,735,860.06/28,983
  6. Step 6: Final answer
    x = 128,721.52

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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.