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Finding the Third Proportional to 4,190,612 and 9,048,988

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Solution

The third proportional to 4,190,612 and 9,048,988 is: 19,539,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,612 : 9,048,988 = 9,048,988 : x
  2. Step 2: Convert to fraction form
    4,190,612/9,048,988 = 9,048,988/x
  3. Step 3: Cross multiply
    4,190,612x = 9,048,988 × 9,048,988
  4. Step 4: Simplify right side
    4,190,612x = 81,884,183,824,144
  5. Step 5: Solve for x
    x = 81,884,183,824,144/4,190,612
  6. Step 6: Final answer
    x = 19,539,910.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.