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Finding the Third Proportional to 2,581,436,772 and 3,902,888,502

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Solution

The third proportional to 2,581,436,772 and 3,902,888,502 is: 5,900,798,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,436,772 : 3,902,888,502 = 3,902,888,502 : x
  2. Step 2: Convert to fraction form
    2,581,436,772/3,902,888,502 = 3,902,888,502/x
  3. Step 3: Cross multiply
    2,581,436,772x = 3,902,888,502 × 3,902,888,502
  4. Step 4: Simplify right side
    2,581,436,772x = 15,232,538,659,043,803,136
  5. Step 5: Solve for x
    x = 15,232,538,659,043,803,136/2,581,436,772
  6. Step 6: Final answer
    x = 5,900,798,665.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.