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Finding the Third Proportional to 9,576,642 and 20,672,628

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Solution

The third proportional to 9,576,642 and 20,672,628 is: 44,624,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576,642 : 20,672,628 = 20,672,628 : x
  2. Step 2: Convert to fraction form
    9,576,642/20,672,628 = 20,672,628/x
  3. Step 3: Cross multiply
    9,576,642x = 20,672,628 × 20,672,628
  4. Step 4: Simplify right side
    9,576,642x = 427,357,548,426,384
  5. Step 5: Solve for x
    x = 427,357,548,426,384/9,576,642
  6. Step 6: Final answer
    x = 44,624,989.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.