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Finding the Third Proportional to 7,897.50 and 10,126.27

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Solution

The third proportional to 7,897.50 and 10,126.27 is: 12,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.50 : 10,126.27 = 10,126.27 : x
  2. Step 2: Convert to fraction form
    7,897.50/10,126.27 = 10,126.27/x
  3. Step 3: Cross multiply
    7,897.50x = 10,126.27 × 10,126.27
  4. Step 4: Simplify right side
    7,897.50x = 102,541,255.51
  5. Step 5: Solve for x
    x = 102,541,255.51/7,897.50
  6. Step 6: Final answer
    x = 12,984.01

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.