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Finding the Third Proportional to 18,842.63 and 28,506.94

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Solution

The third proportional to 18,842.63 and 28,506.94 is: 43,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.63 : 28,506.94 = 28,506.94 : x
  2. Step 2: Convert to fraction form
    18,842.63/28,506.94 = 28,506.94/x
  3. Step 3: Cross multiply
    18,842.63x = 28,506.94 × 28,506.94
  4. Step 4: Simplify right side
    18,842.63x = 812,645,485.63
  5. Step 5: Solve for x
    x = 812,645,485.63/18,842.63
  6. Step 6: Final answer
    x = 43,128.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.