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Finding the Third Proportional to 54,759,572 and 81,968,772

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Solution

The third proportional to 54,759,572 and 81,968,772 is: 122,697,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759,572 : 81,968,772 = 81,968,772 : x
  2. Step 2: Convert to fraction form
    54,759,572/81,968,772 = 81,968,772/x
  3. Step 3: Cross multiply
    54,759,572x = 81,968,772 × 81,968,772
  4. Step 4: Simplify right side
    54,759,572x = 6,718,879,583,187,984
  5. Step 5: Solve for x
    x = 6,718,879,583,187,984/54,759,572
  6. Step 6: Final answer
    x = 122,697,810.41

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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.