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Finding the Third Proportional to 54,759,564 and 81,968,760

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Solution

The third proportional to 54,759,564 and 81,968,760 is: 122,697,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759,564 : 81,968,760 = 81,968,760 : x
  2. Step 2: Convert to fraction form
    54,759,564/81,968,760 = 81,968,760/x
  3. Step 3: Cross multiply
    54,759,564x = 81,968,760 × 81,968,760
  4. Step 4: Simplify right side
    54,759,564x = 6,718,877,615,937,600
  5. Step 5: Solve for x
    x = 6,718,877,615,937,600/54,759,564
  6. Step 6: Final answer
    x = 122,697,792.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.