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Finding the Third Proportional to 28,474,326 and 67,187,871

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Solution

The third proportional to 28,474,326 and 67,187,871 is: 158,536,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,326 : 67,187,871 = 67,187,871 : x
  2. Step 2: Convert to fraction form
    28,474,326/67,187,871 = 67,187,871/x
  3. Step 3: Cross multiply
    28,474,326x = 67,187,871 × 67,187,871
  4. Step 4: Simplify right side
    28,474,326x = 4,514,210,009,512,641
  5. Step 5: Solve for x
    x = 4,514,210,009,512,641/28,474,326
  6. Step 6: Final answer
    x = 158,536,149.71

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.