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Finding the Third Proportional to 29,488,998,179.25 and 64,988,793,358.50

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Solution

The third proportional to 29,488,998,179.25 and 64,988,793,358.50 is: 143,224,372,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488,998,179.25 : 64,988,793,358.50 = 64,988,793,358.50 : x
  2. Step 2: Convert to fraction form
    29,488,998,179.25/64,988,793,358.50 = 64,988,793,358.50/x
  3. Step 3: Cross multiply
    29,488,998,179.25x = 64,988,793,358.50 × 64,988,793,358.50
  4. Step 4: Simplify right side
    29,488,998,179.25x = 4,223,543,262,193,813,815,296
  5. Step 5: Solve for x
    x = 4,223,543,262,193,813,815,296/29,488,998,179.25
  6. Step 6: Final answer
    x = 143,224,372,578.58

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.