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Finding the Third Proportional to 11,572,039 and 15,761,661

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Solution

The third proportional to 11,572,039 and 15,761,661 is: 21,468,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572,039 : 15,761,661 = 15,761,661 : x
  2. Step 2: Convert to fraction form
    11,572,039/15,761,661 = 15,761,661/x
  3. Step 3: Cross multiply
    11,572,039x = 15,761,661 × 15,761,661
  4. Step 4: Simplify right side
    11,572,039x = 248,429,957,478,921
  5. Step 5: Solve for x
    x = 248,429,957,478,921/11,572,039
  6. Step 6: Final answer
    x = 21,468,123.07

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.