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Finding the Third Proportional to 18,586.13 and 28,828.13

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Solution

The third proportional to 18,586.13 and 28,828.13 is: 44,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.13 : 28,828.13 = 28,828.13 : x
  2. Step 2: Convert to fraction form
    18,586.13/28,828.13 = 28,828.13/x
  3. Step 3: Cross multiply
    18,586.13x = 28,828.13 × 28,828.13
  4. Step 4: Simplify right side
    18,586.13x = 831,060,791.02
  5. Step 5: Solve for x
    x = 831,060,791.02/18,586.13
  6. Step 6: Final answer
    x = 44,714.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.