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Finding the Third Proportional to 7,178,017.50 and 11,033,131.50

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Solution

The third proportional to 7,178,017.50 and 11,033,131.50 is: 16,958,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,017.50 : 11,033,131.50 = 11,033,131.50 : x
  2. Step 2: Convert to fraction form
    7,178,017.50/11,033,131.50 = 11,033,131.50/x
  3. Step 3: Cross multiply
    7,178,017.50x = 11,033,131.50 × 11,033,131.50
  4. Step 4: Simplify right side
    7,178,017.50x = 121,729,990,696,292.25
  5. Step 5: Solve for x
    x = 121,729,990,696,292.25/7,178,017.50
  6. Step 6: Final answer
    x = 16,958,720.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.