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Finding the Third Proportional to 55,519,454 and 120,305,254

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Solution

The third proportional to 55,519,454 and 120,305,254 is: 260,689,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,454 : 120,305,254 = 120,305,254 : x
  2. Step 2: Convert to fraction form
    55,519,454/120,305,254 = 120,305,254/x
  3. Step 3: Cross multiply
    55,519,454x = 120,305,254 × 120,305,254
  4. Step 4: Simplify right side
    55,519,454x = 14,473,354,140,004,516
  5. Step 5: Solve for x
    x = 14,473,354,140,004,516/55,519,454
  6. Step 6: Final answer
    x = 260,689,778.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.