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Finding the Third Proportional to 12,826,703 and 19,256,943

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Solution

The third proportional to 12,826,703 and 19,256,943 is: 28,910,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,703 : 19,256,943 = 19,256,943 : x
  2. Step 2: Convert to fraction form
    12,826,703/19,256,943 = 19,256,943/x
  3. Step 3: Cross multiply
    12,826,703x = 19,256,943 × 19,256,943
  4. Step 4: Simplify right side
    12,826,703x = 370,829,853,705,249
  5. Step 5: Solve for x
    x = 370,829,853,705,249/12,826,703
  6. Step 6: Final answer
    x = 28,910,769.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.