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Finding the Third Proportional to 84,945,220 and 131,173,062

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Solution

The third proportional to 84,945,220 and 131,173,062 is: 202,558,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945,220 : 131,173,062 = 131,173,062 : x
  2. Step 2: Convert to fraction form
    84,945,220/131,173,062 = 131,173,062/x
  3. Step 3: Cross multiply
    84,945,220x = 131,173,062 × 131,173,062
  4. Step 4: Simplify right side
    84,945,220x = 17,206,372,194,455,844
  5. Step 5: Solve for x
    x = 17,206,372,194,455,844/84,945,220
  6. Step 6: Final answer
    x = 202,558,451.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.