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Finding the Third Proportional to 12,045.63 and 18,538.13

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Solution

The third proportional to 12,045.63 and 18,538.13 is: 28,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.63 : 18,538.13 = 18,538.13 : x
  2. Step 2: Convert to fraction form
    12,045.63/18,538.13 = 18,538.13/x
  3. Step 3: Cross multiply
    12,045.63x = 18,538.13 × 18,538.13
  4. Step 4: Simplify right side
    12,045.63x = 343,662,078.52
  5. Step 5: Solve for x
    x = 343,662,078.52/12,045.63
  6. Step 6: Final answer
    x = 28,530.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.