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Finding the Third Proportional to 84,945,218 and 131,173,059

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Solution

The third proportional to 84,945,218 and 131,173,059 is: 202,558,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945,218 : 131,173,059 = 131,173,059 : x
  2. Step 2: Convert to fraction form
    84,945,218/131,173,059 = 131,173,059/x
  3. Step 3: Cross multiply
    84,945,218x = 131,173,059 × 131,173,059
  4. Step 4: Simplify right side
    84,945,218x = 17,206,371,407,417,480
  5. Step 5: Solve for x
    x = 17,206,371,407,417,480/84,945,218
  6. Step 6: Final answer
    x = 202,558,446.64

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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.