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Finding the Third Proportional to 5,129,462 and 7,974,201

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Solution

The third proportional to 5,129,462 and 7,974,201 is: 12,396,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,462 : 7,974,201 = 7,974,201 : x
  2. Step 2: Convert to fraction form
    5,129,462/7,974,201 = 7,974,201/x
  3. Step 3: Cross multiply
    5,129,462x = 7,974,201 × 7,974,201
  4. Step 4: Simplify right side
    5,129,462x = 63,587,881,588,401
  5. Step 5: Solve for x
    x = 63,587,881,588,401/5,129,462
  6. Step 6: Final answer
    x = 12,396,598.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.