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Finding the Third Proportional to 84,945,456 and 131,173,430

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Solution

The third proportional to 84,945,456 and 131,173,430 is: 202,559,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945,456 : 131,173,430 = 131,173,430 : x
  2. Step 2: Convert to fraction form
    84,945,456/131,173,430 = 131,173,430/x
  3. Step 3: Cross multiply
    84,945,456x = 131,173,430 × 131,173,430
  4. Step 4: Simplify right side
    84,945,456x = 17,206,468,737,964,900
  5. Step 5: Solve for x
    x = 17,206,468,737,964,900/84,945,456
  6. Step 6: Final answer
    x = 202,559,024.91

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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.