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Finding the Third Proportional to 18,497.25 and 28,985.44

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Solution

The third proportional to 18,497.25 and 28,985.44 is: 45,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.25 : 28,985.44 = 28,985.44 : x
  2. Step 2: Convert to fraction form
    18,497.25/28,985.44 = 28,985.44/x
  3. Step 3: Cross multiply
    18,497.25x = 28,985.44 × 28,985.44
  4. Step 4: Simplify right side
    18,497.25x = 840,155,587.07
  5. Step 5: Solve for x
    x = 840,155,587.07/18,497.25
  6. Step 6: Final answer
    x = 45,420.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.