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Finding the Third Proportional to 121,384,706 and 177,468,684

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Solution

The third proportional to 121,384,706 and 177,468,684 is: 259,465,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384,706 : 177,468,684 = 177,468,684 : x
  2. Step 2: Convert to fraction form
    121,384,706/177,468,684 = 177,468,684/x
  3. Step 3: Cross multiply
    121,384,706x = 177,468,684 × 177,468,684
  4. Step 4: Simplify right side
    121,384,706x = 31,495,133,800,691,856
  5. Step 5: Solve for x
    x = 31,495,133,800,691,856/121,384,706
  6. Step 6: Final answer
    x = 259,465,420.63

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.