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Finding the Third Proportional to 4,188,980.50 and 6,513,057

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Solution

The third proportional to 4,188,980.50 and 6,513,057 is: 10,126,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,980.50 : 6,513,057 = 6,513,057 : x
  2. Step 2: Convert to fraction form
    4,188,980.50/6,513,057 = 6,513,057/x
  3. Step 3: Cross multiply
    4,188,980.50x = 6,513,057 × 6,513,057
  4. Step 4: Simplify right side
    4,188,980.50x = 42,419,911,485,249
  5. Step 5: Solve for x
    x = 42,419,911,485,249/4,188,980.50
  6. Step 6: Final answer
    x = 10,126,547.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.