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Finding the Third Proportional to 679,718,115 and 1,049,603,613

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Solution

The third proportional to 679,718,115 and 1,049,603,613 is: 1,620,771,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,718,115 : 1,049,603,613 = 1,049,603,613 : x
  2. Step 2: Convert to fraction form
    679,718,115/1,049,603,613 = 1,049,603,613/x
  3. Step 3: Cross multiply
    679,718,115x = 1,049,603,613 × 1,049,603,613
  4. Step 4: Simplify right side
    679,718,115x = 1,101,667,744,422,653,824
  5. Step 5: Solve for x
    x = 1,101,667,744,422,653,824/679,718,115
  6. Step 6: Final answer
    x = 1,620,771,493.52

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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.