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Finding the Third Proportional to 7,890.19 and 17,010.56

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Solution

The third proportional to 7,890.19 and 17,010.56 is: 36,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.19 : 17,010.56 = 17,010.56 : x
  2. Step 2: Convert to fraction form
    7,890.19/17,010.56 = 17,010.56/x
  3. Step 3: Cross multiply
    7,890.19x = 17,010.56 × 17,010.56
  4. Step 4: Simplify right side
    7,890.19x = 289,359,236.57
  5. Step 5: Solve for x
    x = 289,359,236.57/7,890.19
  6. Step 6: Final answer
    x = 36,673.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.