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Finding the Third Proportional to 7,889,213,523 and 17,356,242,157

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Solution

The third proportional to 7,889,213,523 and 17,356,242,157 is: 38,183,672,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,213,523 : 17,356,242,157 = 17,356,242,157 : x
  2. Step 2: Convert to fraction form
    7,889,213,523/17,356,242,157 = 17,356,242,157/x
  3. Step 3: Cross multiply
    7,889,213,523x = 17,356,242,157 × 17,356,242,157
  4. Step 4: Simplify right side
    7,889,213,523x = 301,239,141,812,424,015,872
  5. Step 5: Solve for x
    x = 301,239,141,812,424,015,872/7,889,213,523
  6. Step 6: Final answer
    x = 38,183,672,039.58

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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.