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Finding the Third Proportional to 318,618,579 and 492,077,759

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Solution

The third proportional to 318,618,579 and 492,077,759 is: 759,969,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,618,579 : 492,077,759 = 492,077,759 : x
  2. Step 2: Convert to fraction form
    318,618,579/492,077,759 = 492,077,759/x
  3. Step 3: Cross multiply
    318,618,579x = 492,077,759 × 492,077,759
  4. Step 4: Simplify right side
    318,618,579x = 242,140,520,902,462,080
  5. Step 5: Solve for x
    x = 242,140,520,902,462,080/318,618,579
  6. Step 6: Final answer
    x = 759,969,872.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.