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Finding the Third Proportional to 231,215,605 and 334,066,621

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Solution

The third proportional to 231,215,605 and 334,066,621 is: 482,668,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,215,605 : 334,066,621 = 334,066,621 : x
  2. Step 2: Convert to fraction form
    231,215,605/334,066,621 = 334,066,621/x
  3. Step 3: Cross multiply
    231,215,605x = 334,066,621 × 334,066,621
  4. Step 4: Simplify right side
    231,215,605x = 111,600,507,266,357,648
  5. Step 5: Solve for x
    x = 111,600,507,266,357,648/231,215,605
  6. Step 6: Final answer
    x = 482,668,577.96

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.