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Finding the Third Proportional to 91,005,884.50 and 128,770,536.75

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Solution

The third proportional to 91,005,884.50 and 128,770,536.75 is: 182,206,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,005,884.50 : 128,770,536.75 = 128,770,536.75 : x
  2. Step 2: Convert to fraction form
    91,005,884.50/128,770,536.75 = 128,770,536.75/x
  3. Step 3: Cross multiply
    91,005,884.50x = 128,770,536.75 × 128,770,536.75
  4. Step 4: Simplify right side
    91,005,884.50x = 16,581,851,134,883,100
  5. Step 5: Solve for x
    x = 16,581,851,134,883,100/91,005,884.50
  6. Step 6: Final answer
    x = 182,206,362.00

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.