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Finding the Third Proportional to 30,630,630 and 47,422,953

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Solution

The third proportional to 30,630,630 and 47,422,953 is: 73,421,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630,630 : 47,422,953 = 47,422,953 : x
  2. Step 2: Convert to fraction form
    30,630,630/47,422,953 = 47,422,953/x
  3. Step 3: Cross multiply
    30,630,630x = 47,422,953 × 47,422,953
  4. Step 4: Simplify right side
    30,630,630x = 2,248,936,471,240,209
  5. Step 5: Solve for x
    x = 2,248,936,471,240,209/30,630,630
  6. Step 6: Final answer
    x = 73,421,162.78

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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.