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Finding the Third Proportional to 4,001,996 and 8,762,944

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Solution

The third proportional to 4,001,996 and 8,762,944 is: 19,187,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,996 : 8,762,944 = 8,762,944 : x
  2. Step 2: Convert to fraction form
    4,001,996/8,762,944 = 8,762,944/x
  3. Step 3: Cross multiply
    4,001,996x = 8,762,944 × 8,762,944
  4. Step 4: Simplify right side
    4,001,996x = 76,789,187,547,136
  5. Step 5: Solve for x
    x = 76,789,187,547,136/4,001,996
  6. Step 6: Final answer
    x = 19,187,722.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.