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Finding the Third Proportional to 552,668 and 1,221,508

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Solution

The third proportional to 552,668 and 1,221,508 is: 2,699,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,668 : 1,221,508 = 1,221,508 : x
  2. Step 2: Convert to fraction form
    552,668/1,221,508 = 1,221,508/x
  3. Step 3: Cross multiply
    552,668x = 1,221,508 × 1,221,508
  4. Step 4: Simplify right side
    552,668x = 1,492,081,794,064
  5. Step 5: Solve for x
    x = 1,492,081,794,064/552,668
  6. Step 6: Final answer
    x = 2,699,779.60

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.