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Finding the Third Proportional to 9,305,360 and 20,036,128

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Solution

The third proportional to 9,305,360 and 20,036,128 is: 43,141,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305,360 : 20,036,128 = 20,036,128 : x
  2. Step 2: Convert to fraction form
    9,305,360/20,036,128 = 20,036,128/x
  3. Step 3: Cross multiply
    9,305,360x = 20,036,128 × 20,036,128
  4. Step 4: Simplify right side
    9,305,360x = 401,446,425,232,384
  5. Step 5: Solve for x
    x = 401,446,425,232,384/9,305,360
  6. Step 6: Final answer
    x = 43,141,417.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.