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Finding the Third Proportional to 11,223,579,138 and 15,691,224,189

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Solution

The third proportional to 11,223,579,138 and 15,691,224,189 is: 21,937,254,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223,579,138 : 15,691,224,189 = 15,691,224,189 : x
  2. Step 2: Convert to fraction form
    11,223,579,138/15,691,224,189 = 15,691,224,189/x
  3. Step 3: Cross multiply
    11,223,579,138x = 15,691,224,189 × 15,691,224,189
  4. Step 4: Simplify right side
    11,223,579,138x = 246,214,516,549,458,722,816
  5. Step 5: Solve for x
    x = 246,214,516,549,458,722,816/11,223,579,138
  6. Step 6: Final answer
    x = 21,937,254,909.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.