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Finding the Third Proportional to 68,375,448 and 105,731,028

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Solution

The third proportional to 68,375,448 and 105,731,028 is: 163,495,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375,448 : 105,731,028 = 105,731,028 : x
  2. Step 2: Convert to fraction form
    68,375,448/105,731,028 = 105,731,028/x
  3. Step 3: Cross multiply
    68,375,448x = 105,731,028 × 105,731,028
  4. Step 4: Simplify right side
    68,375,448x = 11,179,050,281,936,784
  5. Step 5: Solve for x
    x = 11,179,050,281,936,784/68,375,448
  6. Step 6: Final answer
    x = 163,495,093.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.