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Finding the Third Proportional to 4,039,468.50 and 8,765,605.50

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Solution

The third proportional to 4,039,468.50 and 8,765,605.50 is: 19,021,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,468.50 : 8,765,605.50 = 8,765,605.50 : x
  2. Step 2: Convert to fraction form
    4,039,468.50/8,765,605.50 = 8,765,605.50/x
  3. Step 3: Cross multiply
    4,039,468.50x = 8,765,605.50 × 8,765,605.50
  4. Step 4: Simplify right side
    4,039,468.50x = 76,835,839,781,630.25
  5. Step 5: Solve for x
    x = 76,835,839,781,630.25/4,039,468.50
  6. Step 6: Final answer
    x = 19,021,274.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.