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Finding the Third Proportional to 431,935,450 and 695,558,392

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Solution

The third proportional to 431,935,450 and 695,558,392 is: 1,120,078,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,935,450 : 695,558,392 = 695,558,392 : x
  2. Step 2: Convert to fraction form
    431,935,450/695,558,392 = 695,558,392/x
  3. Step 3: Cross multiply
    431,935,450x = 695,558,392 × 695,558,392
  4. Step 4: Simplify right side
    431,935,450x = 483,801,476,681,625,664
  5. Step 5: Solve for x
    x = 483,801,476,681,625,664/431,935,450
  6. Step 6: Final answer
    x = 1,120,078,189.19

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.