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Finding the Third Proportional to 77,393,954 and 111,878,715

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Solution

The third proportional to 77,393,954 and 111,878,715 is: 161,729,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,393,954 : 111,878,715 = 111,878,715 : x
  2. Step 2: Convert to fraction form
    77,393,954/111,878,715 = 111,878,715/x
  3. Step 3: Cross multiply
    77,393,954x = 111,878,715 × 111,878,715
  4. Step 4: Simplify right side
    77,393,954x = 12,516,846,870,051,224
  5. Step 5: Solve for x
    x = 12,516,846,870,051,224/77,393,954
  6. Step 6: Final answer
    x = 161,729,001.08

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.