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Finding the Third Proportional to 51,736,728 and 81,159,696.50

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Solution

The third proportional to 51,736,728 and 81,159,696.50 is: 127,315,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,736,728 : 81,159,696.50 = 81,159,696.50 : x
  2. Step 2: Convert to fraction form
    51,736,728/81,159,696.50 = 81,159,696.50/x
  3. Step 3: Cross multiply
    51,736,728x = 81,159,696.50 × 81,159,696.50
  4. Step 4: Simplify right side
    51,736,728x = 6,586,896,335,972,112
  5. Step 5: Solve for x
    x = 6,586,896,335,972,112/51,736,728
  6. Step 6: Final answer
    x = 127,315,672.84

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.