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Finding the Third Proportional to 6,458,485.50 and 8,775,013.50

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Solution

The third proportional to 6,458,485.50 and 8,775,013.50 is: 11,922,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458,485.50 : 8,775,013.50 = 8,775,013.50 : x
  2. Step 2: Convert to fraction form
    6,458,485.50/8,775,013.50 = 8,775,013.50/x
  3. Step 3: Cross multiply
    6,458,485.50x = 8,775,013.50 × 8,775,013.50
  4. Step 4: Simplify right side
    6,458,485.50x = 77,000,861,925,182.25
  5. Step 5: Solve for x
    x = 77,000,861,925,182.25/6,458,485.50
  6. Step 6: Final answer
    x = 11,922,433.20

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.