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Finding the Third Proportional to 133,909,752,247.88 and 289,121,636,074.50

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Solution

The third proportional to 133,909,752,247.88 and 289,121,636,074.50 is: 624,236,241,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,909,752,247.88 : 289,121,636,074.50 = 289,121,636,074.50 : x
  2. Step 2: Convert to fraction form
    133,909,752,247.88/289,121,636,074.50 = 289,121,636,074.50/x
  3. Step 3: Cross multiply
    133,909,752,247.88x = 289,121,636,074.50 × 289,121,636,074.50
  4. Step 4: Simplify right side
    133,909,752,247.88x = 83,591,320,446,395,616,329,728
  5. Step 5: Solve for x
    x = 83,591,320,446,395,616,329,728/133,909,752,247.88
  6. Step 6: Final answer
    x = 624,236,241,522.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.