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Finding the Third Proportional to 724,463,417 and 1,129,741,806

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Solution

The third proportional to 724,463,417 and 1,129,741,806 is: 1,761,740,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,463,417 : 1,129,741,806 = 1,129,741,806 : x
  2. Step 2: Convert to fraction form
    724,463,417/1,129,741,806 = 1,129,741,806/x
  3. Step 3: Cross multiply
    724,463,417x = 1,129,741,806 × 1,129,741,806
  4. Step 4: Simplify right side
    724,463,417x = 1,276,316,548,224,141,568
  5. Step 5: Solve for x
    x = 1,276,316,548,224,141,568/724,463,417
  6. Step 6: Final answer
    x = 1,761,740,507.90

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.