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Finding the Third Proportional to 4,315,671 and 6,443,955

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Solution

The third proportional to 4,315,671 and 6,443,955 is: 9,621,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315,671 : 6,443,955 = 6,443,955 : x
  2. Step 2: Convert to fraction form
    4,315,671/6,443,955 = 6,443,955/x
  3. Step 3: Cross multiply
    4,315,671x = 6,443,955 × 6,443,955
  4. Step 4: Simplify right side
    4,315,671x = 41,524,556,042,025
  5. Step 5: Solve for x
    x = 41,524,556,042,025/4,315,671
  6. Step 6: Final answer
    x = 9,621,807.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.