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Finding the Third Proportional to 1,386,558 and 3,000,555

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Solution

The third proportional to 1,386,558 and 3,000,555 is: 6,493,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,558 : 3,000,555 = 3,000,555 : x
  2. Step 2: Convert to fraction form
    1,386,558/3,000,555 = 3,000,555/x
  3. Step 3: Cross multiply
    1,386,558x = 3,000,555 × 3,000,555
  4. Step 4: Simplify right side
    1,386,558x = 9,003,330,308,025
  5. Step 5: Solve for x
    x = 9,003,330,308,025/1,386,558
  6. Step 6: Final answer
    x = 6,493,295.13

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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.