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Finding the Third Proportional to 55,153,622 and 121,248,073

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Solution

The third proportional to 55,153,622 and 121,248,073 is: 266,548,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153,622 : 121,248,073 = 121,248,073 : x
  2. Step 2: Convert to fraction form
    55,153,622/121,248,073 = 121,248,073/x
  3. Step 3: Cross multiply
    55,153,622x = 121,248,073 × 121,248,073
  4. Step 4: Simplify right side
    55,153,622x = 14,701,095,206,213,328
  5. Step 5: Solve for x
    x = 14,701,095,206,213,328/55,153,622
  6. Step 6: Final answer
    x = 266,548,137.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.