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Finding the Third Proportional to 731,221.88 and 1,630,480.50

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Solution

The third proportional to 731,221.88 and 1,630,480.50 is: 3,635,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,221.88 : 1,630,480.50 = 1,630,480.50 : x
  2. Step 2: Convert to fraction form
    731,221.88/1,630,480.50 = 1,630,480.50/x
  3. Step 3: Cross multiply
    731,221.88x = 1,630,480.50 × 1,630,480.50
  4. Step 4: Simplify right side
    731,221.88x = 2,658,466,660,880.25
  5. Step 5: Solve for x
    x = 2,658,466,660,880.25/731,221.88
  6. Step 6: Final answer
    x = 3,635,649.80

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.