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Finding the Third Proportional to 28,342,125 and 42,505,806

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Solution

The third proportional to 28,342,125 and 42,505,806 is: 63,747,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,125 : 42,505,806 = 42,505,806 : x
  2. Step 2: Convert to fraction form
    28,342,125/42,505,806 = 42,505,806/x
  3. Step 3: Cross multiply
    28,342,125x = 42,505,806 × 42,505,806
  4. Step 4: Simplify right side
    28,342,125x = 1,806,743,543,709,636
  5. Step 5: Solve for x
    x = 1,806,743,543,709,636/28,342,125
  6. Step 6: Final answer
    x = 63,747,638.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.