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Finding the Third Proportional to 9,798,066 and 21,278,664

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Solution

The third proportional to 9,798,066 and 21,278,664 is: 46,211,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798,066 : 21,278,664 = 21,278,664 : x
  2. Step 2: Convert to fraction form
    9,798,066/21,278,664 = 21,278,664/x
  3. Step 3: Cross multiply
    9,798,066x = 21,278,664 × 21,278,664
  4. Step 4: Simplify right side
    9,798,066x = 452,781,541,624,896
  5. Step 5: Solve for x
    x = 452,781,541,624,896/9,798,066
  6. Step 6: Final answer
    x = 46,211,317.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.