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Finding the Third Proportional to 120,123,666 and 262,266,048

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Solution

The third proportional to 120,123,666 and 262,266,048 is: 572,605,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,123,666 : 262,266,048 = 262,266,048 : x
  2. Step 2: Convert to fraction form
    120,123,666/262,266,048 = 262,266,048/x
  3. Step 3: Cross multiply
    120,123,666x = 262,266,048 × 262,266,048
  4. Step 4: Simplify right side
    120,123,666x = 68,783,479,933,538,304
  5. Step 5: Solve for x
    x = 68,783,479,933,538,304/120,123,666
  6. Step 6: Final answer
    x = 572,605,567.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.