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Finding the Third Proportional to 8,890.50 and 13,270.50

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Solution

The third proportional to 8,890.50 and 13,270.50 is: 19,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.50 : 13,270.50 = 13,270.50 : x
  2. Step 2: Convert to fraction form
    8,890.50/13,270.50 = 13,270.50/x
  3. Step 3: Cross multiply
    8,890.50x = 13,270.50 × 13,270.50
  4. Step 4: Simplify right side
    8,890.50x = 176,106,170.25
  5. Step 5: Solve for x
    x = 176,106,170.25/8,890.50
  6. Step 6: Final answer
    x = 19,808.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.