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Finding the Third Proportional to 45,815,220 and 64,086,525

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Solution

The third proportional to 45,815,220 and 64,086,525 is: 89,644,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815,220 : 64,086,525 = 64,086,525 : x
  2. Step 2: Convert to fraction form
    45,815,220/64,086,525 = 64,086,525/x
  3. Step 3: Cross multiply
    45,815,220x = 64,086,525 × 64,086,525
  4. Step 4: Simplify right side
    45,815,220x = 4,107,082,686,575,625
  5. Step 5: Solve for x
    x = 4,107,082,686,575,625/45,815,220
  6. Step 6: Final answer
    x = 89,644,504.31

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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.