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Finding the Third Proportional to 13,487,919 and 20,232,310

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Solution

The third proportional to 13,487,919 and 20,232,310 is: 30,349,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,919 : 20,232,310 = 20,232,310 : x
  2. Step 2: Convert to fraction form
    13,487,919/20,232,310 = 20,232,310/x
  3. Step 3: Cross multiply
    13,487,919x = 20,232,310 × 20,232,310
  4. Step 4: Simplify right side
    13,487,919x = 409,346,367,936,100
  5. Step 5: Solve for x
    x = 409,346,367,936,100/13,487,919
  6. Step 6: Final answer
    x = 30,349,112.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.