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Finding the Third Proportional to 13,241,670 and 20,247,417

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Solution

The third proportional to 13,241,670 and 20,247,417 is: 30,959,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241,670 : 20,247,417 = 20,247,417 : x
  2. Step 2: Convert to fraction form
    13,241,670/20,247,417 = 20,247,417/x
  3. Step 3: Cross multiply
    13,241,670x = 20,247,417 × 20,247,417
  4. Step 4: Simplify right side
    13,241,670x = 409,957,895,171,889
  5. Step 5: Solve for x
    x = 409,957,895,171,889/13,241,670
  6. Step 6: Final answer
    x = 30,959,682.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.