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Finding the Third Proportional to 6,866,290.50 and 10,387,806.75

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Solution

The third proportional to 6,866,290.50 and 10,387,806.75 is: 15,715,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,290.50 : 10,387,806.75 = 10,387,806.75 : x
  2. Step 2: Convert to fraction form
    6,866,290.50/10,387,806.75 = 10,387,806.75/x
  3. Step 3: Cross multiply
    6,866,290.50x = 10,387,806.75 × 10,387,806.75
  4. Step 4: Simplify right side
    6,866,290.50x = 107,906,529,075,345.56
  5. Step 5: Solve for x
    x = 107,906,529,075,345.56/6,866,290.50
  6. Step 6: Final answer
    x = 15,715,403.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.