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Finding the Third Proportional to 28,255,812 and 61,027,212

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Solution

The third proportional to 28,255,812 and 61,027,212 is: 131,807,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,812 : 61,027,212 = 61,027,212 : x
  2. Step 2: Convert to fraction form
    28,255,812/61,027,212 = 61,027,212/x
  3. Step 3: Cross multiply
    28,255,812x = 61,027,212 × 61,027,212
  4. Step 4: Simplify right side
    28,255,812x = 3,724,320,604,492,944
  5. Step 5: Solve for x
    x = 3,724,320,604,492,944/28,255,812
  6. Step 6: Final answer
    x = 131,807,240.38

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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.