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Finding the Third Proportional to 56,911,969 and 122,455,685

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Solution

The third proportional to 56,911,969 and 122,455,685 is: 263,484,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911,969 : 122,455,685 = 122,455,685 : x
  2. Step 2: Convert to fraction form
    56,911,969/122,455,685 = 122,455,685/x
  3. Step 3: Cross multiply
    56,911,969x = 122,455,685 × 122,455,685
  4. Step 4: Simplify right side
    56,911,969x = 14,995,394,788,819,224
  5. Step 5: Solve for x
    x = 14,995,394,788,819,224/56,911,969
  6. Step 6: Final answer
    x = 263,484,027.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.