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Finding the Third Proportional to 5,618,542.50 and 12,089,809.50

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Solution

The third proportional to 5,618,542.50 and 12,089,809.50 is: 26,014,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,542.50 : 12,089,809.50 = 12,089,809.50 : x
  2. Step 2: Convert to fraction form
    5,618,542.50/12,089,809.50 = 12,089,809.50/x
  3. Step 3: Cross multiply
    5,618,542.50x = 12,089,809.50 × 12,089,809.50
  4. Step 4: Simplify right side
    5,618,542.50x = 146,163,493,746,290.25
  5. Step 5: Solve for x
    x = 146,163,493,746,290.25/5,618,542.50
  6. Step 6: Final answer
    x = 26,014,485.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.