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Finding the Third Proportional to 5,275,184 and 8,220,948

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Solution

The third proportional to 5,275,184 and 8,220,948 is: 12,811,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,184 : 8,220,948 = 8,220,948 : x
  2. Step 2: Convert to fraction form
    5,275,184/8,220,948 = 8,220,948/x
  3. Step 3: Cross multiply
    5,275,184x = 8,220,948 × 8,220,948
  4. Step 4: Simplify right side
    5,275,184x = 67,583,986,018,704
  5. Step 5: Solve for x
    x = 67,583,986,018,704/5,275,184
  6. Step 6: Final answer
    x = 12,811,683.16

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.