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Finding the Third Proportional to 15,628.31 and 36,869.44

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Solution

The third proportional to 15,628.31 and 36,869.44 is: 86,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.31 : 36,869.44 = 36,869.44 : x
  2. Step 2: Convert to fraction form
    15,628.31/36,869.44 = 36,869.44/x
  3. Step 3: Cross multiply
    15,628.31x = 36,869.44 × 36,869.44
  4. Step 4: Simplify right side
    15,628.31x = 1,359,355,421.57
  5. Step 5: Solve for x
    x = 1,359,355,421.57/15,628.31
  6. Step 6: Final answer
    x = 86,980.31

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.