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Finding the Third Proportional to 200,471,924 and 318,993,555

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Solution

The third proportional to 200,471,924 and 318,993,555 is: 507,586,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,471,924 : 318,993,555 = 318,993,555 : x
  2. Step 2: Convert to fraction form
    200,471,924/318,993,555 = 318,993,555/x
  3. Step 3: Cross multiply
    200,471,924x = 318,993,555 × 318,993,555
  4. Step 4: Simplify right side
    200,471,924x = 101,756,888,131,538,032
  5. Step 5: Solve for x
    x = 101,756,888,131,538,032/200,471,924
  6. Step 6: Final answer
    x = 507,586,728.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.