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Finding the Third Proportional to 18,441,642 and 29,630,772

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Solution

The third proportional to 18,441,642 and 29,630,772 is: 47,608,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,642 : 29,630,772 = 29,630,772 : x
  2. Step 2: Convert to fraction form
    18,441,642/29,630,772 = 29,630,772/x
  3. Step 3: Cross multiply
    18,441,642x = 29,630,772 × 29,630,772
  4. Step 4: Simplify right side
    18,441,642x = 877,982,649,315,984
  5. Step 5: Solve for x
    x = 877,982,649,315,984/18,441,642
  6. Step 6: Final answer
    x = 47,608,702.59

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.