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Finding the Third Proportional to 3,664,076.63 and 5,389,491.38

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Solution

The third proportional to 3,664,076.63 and 5,389,491.38 is: 7,927,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664,076.63 : 5,389,491.38 = 5,389,491.38 : x
  2. Step 2: Convert to fraction form
    3,664,076.63/5,389,491.38 = 5,389,491.38/x
  3. Step 3: Cross multiply
    3,664,076.63x = 5,389,491.38 × 5,389,491.38
  4. Step 4: Simplify right side
    3,664,076.63x = 29,046,617,281,199.39
  5. Step 5: Solve for x
    x = 29,046,617,281,199.39/3,664,076.63
  6. Step 6: Final answer
    x = 7,927,404.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.