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Finding the Third Proportional to 215,622,993 and 352,055,727

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Solution

The third proportional to 215,622,993 and 352,055,727 is: 574,814,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,622,993 : 352,055,727 = 352,055,727 : x
  2. Step 2: Convert to fraction form
    215,622,993/352,055,727 = 352,055,727/x
  3. Step 3: Cross multiply
    215,622,993x = 352,055,727 × 352,055,727
  4. Step 4: Simplify right side
    215,622,993x = 123,943,234,913,498,528
  5. Step 5: Solve for x
    x = 123,943,234,913,498,528/215,622,993
  6. Step 6: Final answer
    x = 574,814,555.67

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.