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Finding the Third Proportional to 85,122,818 and 132,075,579

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Solution

The third proportional to 85,122,818 and 132,075,579 is: 204,926,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,122,818 : 132,075,579 = 132,075,579 : x
  2. Step 2: Convert to fraction form
    85,122,818/132,075,579 = 132,075,579/x
  3. Step 3: Cross multiply
    85,122,818x = 132,075,579 × 132,075,579
  4. Step 4: Simplify right side
    85,122,818x = 17,443,958,568,185,240
  5. Step 5: Solve for x
    x = 17,443,958,568,185,240/85,122,818
  6. Step 6: Final answer
    x = 204,926,939.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.