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Finding the Third Proportional to 5,702,138 and 12,408,082

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Solution

The third proportional to 5,702,138 and 12,408,082 is: 27,000,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702,138 : 12,408,082 = 12,408,082 : x
  2. Step 2: Convert to fraction form
    5,702,138/12,408,082 = 12,408,082/x
  3. Step 3: Cross multiply
    5,702,138x = 12,408,082 × 12,408,082
  4. Step 4: Simplify right side
    5,702,138x = 153,960,498,918,724
  5. Step 5: Solve for x
    x = 153,960,498,918,724/5,702,138
  6. Step 6: Final answer
    x = 27,000,486.29

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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.