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Finding the Third Proportional to 166,991,480 and 254,806,392

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Solution

The third proportional to 166,991,480 and 254,806,392 is: 388,800,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,991,480 : 254,806,392 = 254,806,392 : x
  2. Step 2: Convert to fraction form
    166,991,480/254,806,392 = 254,806,392/x
  3. Step 3: Cross multiply
    166,991,480x = 254,806,392 × 254,806,392
  4. Step 4: Simplify right side
    166,991,480x = 64,926,297,404,057,664
  5. Step 5: Solve for x
    x = 64,926,297,404,057,664/166,991,480
  6. Step 6: Final answer
    x = 388,800,059.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.