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Finding the Third Proportional to 4,236,040 and 9,280,715

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Solution

The third proportional to 4,236,040 and 9,280,715 is: 20,333,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236,040 : 9,280,715 = 9,280,715 : x
  2. Step 2: Convert to fraction form
    4,236,040/9,280,715 = 9,280,715/x
  3. Step 3: Cross multiply
    4,236,040x = 9,280,715 × 9,280,715
  4. Step 4: Simplify right side
    4,236,040x = 86,131,670,911,225
  5. Step 5: Solve for x
    x = 86,131,670,911,225/4,236,040
  6. Step 6: Final answer
    x = 20,333,063.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.