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Finding the Third Proportional to 1,668,458.25 and 3,642,732

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Solution

The third proportional to 1,668,458.25 and 3,642,732 is: 7,953,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,458.25 : 3,642,732 = 3,642,732 : x
  2. Step 2: Convert to fraction form
    1,668,458.25/3,642,732 = 3,642,732/x
  3. Step 3: Cross multiply
    1,668,458.25x = 3,642,732 × 3,642,732
  4. Step 4: Simplify right side
    1,668,458.25x = 13,269,496,423,824
  5. Step 5: Solve for x
    x = 13,269,496,423,824/1,668,458.25
  6. Step 6: Final answer
    x = 7,953,148.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.