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Finding the Third Proportional to 21,685,279.50 and 47,149,695

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Solution

The third proportional to 21,685,279.50 and 47,149,695 is: 102,516,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685,279.50 : 47,149,695 = 47,149,695 : x
  2. Step 2: Convert to fraction form
    21,685,279.50/47,149,695 = 47,149,695/x
  3. Step 3: Cross multiply
    21,685,279.50x = 47,149,695 × 47,149,695
  4. Step 4: Simplify right side
    21,685,279.50x = 2,223,093,738,593,025
  5. Step 5: Solve for x
    x = 2,223,093,738,593,025/21,685,279.50
  6. Step 6: Final answer
    x = 102,516,259.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.