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Finding the Third Proportional to 4,463,786 and 9,724,720

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Solution

The third proportional to 4,463,786 and 9,724,720 is: 21,186,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463,786 : 9,724,720 = 9,724,720 : x
  2. Step 2: Convert to fraction form
    4,463,786/9,724,720 = 9,724,720/x
  3. Step 3: Cross multiply
    4,463,786x = 9,724,720 × 9,724,720
  4. Step 4: Simplify right side
    4,463,786x = 94,570,179,078,400
  5. Step 5: Solve for x
    x = 94,570,179,078,400/4,463,786
  6. Step 6: Final answer
    x = 21,186,091.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.