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Finding the Third Proportional to 6,578,991 and 9,868,486.50

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Solution

The third proportional to 6,578,991 and 9,868,486.50 is: 14,802,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578,991 : 9,868,486.50 = 9,868,486.50 : x
  2. Step 2: Convert to fraction form
    6,578,991/9,868,486.50 = 9,868,486.50/x
  3. Step 3: Cross multiply
    6,578,991x = 9,868,486.50 × 9,868,486.50
  4. Step 4: Simplify right side
    6,578,991x = 97,387,025,800,682.25
  5. Step 5: Solve for x
    x = 97,387,025,800,682.25/6,578,991
  6. Step 6: Final answer
    x = 14,802,729.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.