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Finding the Third Proportional to 20,138,835 and 30,972,821

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Solution

The third proportional to 20,138,835 and 30,972,821 is: 47,635,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,835 : 30,972,821 = 30,972,821 : x
  2. Step 2: Convert to fraction form
    20,138,835/30,972,821 = 30,972,821/x
  3. Step 3: Cross multiply
    20,138,835x = 30,972,821 × 30,972,821
  4. Step 4: Simplify right side
    20,138,835x = 959,315,640,698,041
  5. Step 5: Solve for x
    x = 959,315,640,698,041/20,138,835
  6. Step 6: Final answer
    x = 47,635,111.00

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.