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Finding the Third Proportional to 55,867,749 and 120,273,788

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Solution

The third proportional to 55,867,749 and 120,273,788 is: 258,929,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867,749 : 120,273,788 = 120,273,788 : x
  2. Step 2: Convert to fraction form
    55,867,749/120,273,788 = 120,273,788/x
  3. Step 3: Cross multiply
    55,867,749x = 120,273,788 × 120,273,788
  4. Step 4: Simplify right side
    55,867,749x = 14,465,784,079,868,944
  5. Step 5: Solve for x
    x = 14,465,784,079,868,944/55,867,749
  6. Step 6: Final answer
    x = 258,929,066.21

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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.