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Finding the Third Proportional to 13,897,121 and 20,048,430

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Solution

The third proportional to 13,897,121 and 20,048,430 is: 28,922,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897,121 : 20,048,430 = 20,048,430 : x
  2. Step 2: Convert to fraction form
    13,897,121/20,048,430 = 20,048,430/x
  3. Step 3: Cross multiply
    13,897,121x = 20,048,430 × 20,048,430
  4. Step 4: Simplify right side
    13,897,121x = 401,939,545,464,900
  5. Step 5: Solve for x
    x = 401,939,545,464,900/13,897,121
  6. Step 6: Final answer
    x = 28,922,504.56

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.