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Finding the Third Proportional to 18,402.19 and 28,547.44

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Solution

The third proportional to 18,402.19 and 28,547.44 is: 44,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.19 : 28,547.44 = 28,547.44 : x
  2. Step 2: Convert to fraction form
    18,402.19/28,547.44 = 28,547.44/x
  3. Step 3: Cross multiply
    18,402.19x = 28,547.44 × 28,547.44
  4. Step 4: Simplify right side
    18,402.19x = 814,956,187.82
  5. Step 5: Solve for x
    x = 814,956,187.82/18,402.19
  6. Step 6: Final answer
    x = 44,285.83

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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.