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Finding the Third Proportional to 4,029 and 8,746.50

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Solution

The third proportional to 4,029 and 8,746.50 is: 18,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029 : 8,746.50 = 8,746.50 : x
  2. Step 2: Convert to fraction form
    4,029/8,746.50 = 8,746.50/x
  3. Step 3: Cross multiply
    4,029x = 8,746.50 × 8,746.50
  4. Step 4: Simplify right side
    4,029x = 76,501,262.25
  5. Step 5: Solve for x
    x = 76,501,262.25/4,029
  6. Step 6: Final answer
    x = 18,987.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.