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Finding the Third Proportional to 68,751,343.50 and 99,426,440.25

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Solution

The third proportional to 68,751,343.50 and 99,426,440.25 is: 143,787,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,751,343.50 : 99,426,440.25 = 99,426,440.25 : x
  2. Step 2: Convert to fraction form
    68,751,343.50/99,426,440.25 = 99,426,440.25/x
  3. Step 3: Cross multiply
    68,751,343.50x = 99,426,440.25 × 99,426,440.25
  4. Step 4: Simplify right side
    68,751,343.50x = 9,885,617,020,786,820
  5. Step 5: Solve for x
    x = 9,885,617,020,786,820/68,751,343.50
  6. Step 6: Final answer
    x = 143,787,983.15

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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.