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Finding the Third Proportional to 18,483.75 and 28,411.13

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Solution

The third proportional to 18,483.75 and 28,411.13 is: 43,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.75 : 28,411.13 = 28,411.13 : x
  2. Step 2: Convert to fraction form
    18,483.75/28,411.13 = 28,411.13/x
  3. Step 3: Cross multiply
    18,483.75x = 28,411.13 × 28,411.13
  4. Step 4: Simplify right side
    18,483.75x = 807,192,023.77
  5. Step 5: Solve for x
    x = 807,192,023.77/18,483.75
  6. Step 6: Final answer
    x = 43,670.36

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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.