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Finding the Third Proportional to 7,226,789.63 and 10,640,529.56

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Solution

The third proportional to 7,226,789.63 and 10,640,529.56 is: 15,666,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226,789.63 : 10,640,529.56 = 10,640,529.56 : x
  2. Step 2: Convert to fraction form
    7,226,789.63/10,640,529.56 = 10,640,529.56/x
  3. Step 3: Cross multiply
    7,226,789.63x = 10,640,529.56 × 10,640,529.56
  4. Step 4: Simplify right side
    7,226,789.63x = 113,220,869,370,436.44
  5. Step 5: Solve for x
    x = 113,220,869,370,436.44/7,226,789.63
  6. Step 6: Final answer
    x = 15,666,827.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.