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Finding the Third Proportional to 12,408,318 and 26,247,420

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Solution

The third proportional to 12,408,318 and 26,247,420 is: 55,521,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,318 : 26,247,420 = 26,247,420 : x
  2. Step 2: Convert to fraction form
    12,408,318/26,247,420 = 26,247,420/x
  3. Step 3: Cross multiply
    12,408,318x = 26,247,420 × 26,247,420
  4. Step 4: Simplify right side
    12,408,318x = 688,927,056,656,400
  5. Step 5: Solve for x
    x = 688,927,056,656,400/12,408,318
  6. Step 6: Final answer
    x = 55,521,389.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.