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Finding the Third Proportional to 30,630,672 and 47,422,992

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Solution

The third proportional to 30,630,672 and 47,422,992 is: 73,421,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630,672 : 47,422,992 = 47,422,992 : x
  2. Step 2: Convert to fraction form
    30,630,672/47,422,992 = 47,422,992/x
  3. Step 3: Cross multiply
    30,630,672x = 47,422,992 × 47,422,992
  4. Step 4: Simplify right side
    30,630,672x = 2,248,940,170,232,064
  5. Step 5: Solve for x
    x = 2,248,940,170,232,064/30,630,672
  6. Step 6: Final answer
    x = 73,421,182.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.