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Finding the Third Proportional to 118,619,808 and 257,641,953

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Solution

The third proportional to 118,619,808 and 257,641,953 is: 559,597,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,619,808 : 257,641,953 = 257,641,953 : x
  2. Step 2: Convert to fraction form
    118,619,808/257,641,953 = 257,641,953/x
  3. Step 3: Cross multiply
    118,619,808x = 257,641,953 × 257,641,953
  4. Step 4: Simplify right side
    118,619,808x = 66,379,375,945,654,208
  5. Step 5: Solve for x
    x = 66,379,375,945,654,208/118,619,808
  6. Step 6: Final answer
    x = 559,597,735.53

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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.