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Finding the Third Proportional to 666,058.50 and 1,438,668

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Solution

The third proportional to 666,058.50 and 1,438,668 is: 3,107,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,058.50 : 1,438,668 = 1,438,668 : x
  2. Step 2: Convert to fraction form
    666,058.50/1,438,668 = 1,438,668/x
  3. Step 3: Cross multiply
    666,058.50x = 1,438,668 × 1,438,668
  4. Step 4: Simplify right side
    666,058.50x = 2,069,765,614,224
  5. Step 5: Solve for x
    x = 2,069,765,614,224/666,058.50
  6. Step 6: Final answer
    x = 3,107,483.22

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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.