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Finding the Third Proportional to 999,774 and 2,157,012

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Solution

The third proportional to 999,774 and 2,157,012 is: 4,653,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,774 : 2,157,012 = 2,157,012 : x
  2. Step 2: Convert to fraction form
    999,774/2,157,012 = 2,157,012/x
  3. Step 3: Cross multiply
    999,774x = 2,157,012 × 2,157,012
  4. Step 4: Simplify right side
    999,774x = 4,652,700,768,144
  5. Step 5: Solve for x
    x = 4,652,700,768,144/999,774
  6. Step 6: Final answer
    x = 4,653,752.52

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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.