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Finding the Third Proportional to 56,911,974 and 122,455,695

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Solution

The third proportional to 56,911,974 and 122,455,695 is: 263,484,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911,974 : 122,455,695 = 122,455,695 : x
  2. Step 2: Convert to fraction form
    56,911,974/122,455,695 = 122,455,695/x
  3. Step 3: Cross multiply
    56,911,974x = 122,455,695 × 122,455,695
  4. Step 4: Simplify right side
    56,911,974x = 14,995,397,237,933,024
  5. Step 5: Solve for x
    x = 14,995,397,237,933,024/56,911,974
  6. Step 6: Final answer
    x = 263,484,047.10

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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.