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Finding the Third Proportional to 56,479,467 and 123,316,638

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Solution

The third proportional to 56,479,467 and 123,316,638 is: 269,248,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,467 : 123,316,638 = 123,316,638 : x
  2. Step 2: Convert to fraction form
    56,479,467/123,316,638 = 123,316,638/x
  3. Step 3: Cross multiply
    56,479,467x = 123,316,638 × 123,316,638
  4. Step 4: Simplify right side
    56,479,467x = 15,206,993,207,623,044
  5. Step 5: Solve for x
    x = 15,206,993,207,623,044/56,479,467
  6. Step 6: Final answer
    x = 269,248,171.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.