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Finding the Third Proportional to 111,911,846 and 172,651,431

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Solution

The third proportional to 111,911,846 and 172,651,431 is: 266,357,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,911,846 : 172,651,431 = 172,651,431 : x
  2. Step 2: Convert to fraction form
    111,911,846/172,651,431 = 172,651,431/x
  3. Step 3: Cross multiply
    111,911,846x = 172,651,431 × 172,651,431
  4. Step 4: Simplify right side
    111,911,846x = 29,808,516,626,347,760
  5. Step 5: Solve for x
    x = 29,808,516,626,347,760/111,911,846
  6. Step 6: Final answer
    x = 266,357,116.71

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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.