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Finding the Third Proportional to 117,485,000 and 254,495,864

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Solution

The third proportional to 117,485,000 and 254,495,864 is: 551,288,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,485,000 : 254,495,864 = 254,495,864 : x
  2. Step 2: Convert to fraction form
    117,485,000/254,495,864 = 254,495,864/x
  3. Step 3: Cross multiply
    117,485,000x = 254,495,864 × 254,495,864
  4. Step 4: Simplify right side
    117,485,000x = 64,768,144,793,106,496
  5. Step 5: Solve for x
    x = 64,768,144,793,106,496/117,485,000
  6. Step 6: Final answer
    x = 551,288,630.83

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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.