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Finding the Third Proportional to 28,452,436.50 and 67,143,507.75

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Solution

The third proportional to 28,452,436.50 and 67,143,507.75 is: 158,448,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,436.50 : 67,143,507.75 = 67,143,507.75 : x
  2. Step 2: Convert to fraction form
    28,452,436.50/67,143,507.75 = 67,143,507.75/x
  3. Step 3: Cross multiply
    28,452,436.50x = 67,143,507.75 × 67,143,507.75
  4. Step 4: Simplify right side
    28,452,436.50x = 4,508,250,632,974,310
  5. Step 5: Solve for x
    x = 4,508,250,632,974,310/28,452,436.50
  6. Step 6: Final answer
    x = 158,448,666.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.