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Finding the Third Proportional to 68,954,859.56 and 102,834,327.09

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Solution

The third proportional to 68,954,859.56 and 102,834,327.09 is: 153,359,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954,859.56 : 102,834,327.09 = 102,834,327.09 : x
  2. Step 2: Convert to fraction form
    68,954,859.56/102,834,327.09 = 102,834,327.09/x
  3. Step 3: Cross multiply
    68,954,859.56x = 102,834,327.09 × 102,834,327.09
  4. Step 4: Simplify right side
    68,954,859.56x = 10,574,898,828,824,366
  5. Step 5: Solve for x
    x = 10,574,898,828,824,366/68,954,859.56
  6. Step 6: Final answer
    x = 153,359,732.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.