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Finding the Third Proportional to 111,887,816 and 172,800,492

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Solution

The third proportional to 111,887,816 and 172,800,492 is: 266,874,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,887,816 : 172,800,492 = 172,800,492 : x
  2. Step 2: Convert to fraction form
    111,887,816/172,800,492 = 172,800,492/x
  3. Step 3: Cross multiply
    111,887,816x = 172,800,492 × 172,800,492
  4. Step 4: Simplify right side
    111,887,816x = 29,860,010,035,442,064
  5. Step 5: Solve for x
    x = 29,860,010,035,442,064/111,887,816
  6. Step 6: Final answer
    x = 266,874,545.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.