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Finding the Third Proportional to 8,874,124.50 and 12,681,330.75

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Solution

The third proportional to 8,874,124.50 and 12,681,330.75 is: 18,121,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,124.50 : 12,681,330.75 = 12,681,330.75 : x
  2. Step 2: Convert to fraction form
    8,874,124.50/12,681,330.75 = 12,681,330.75/x
  3. Step 3: Cross multiply
    8,874,124.50x = 12,681,330.75 × 12,681,330.75
  4. Step 4: Simplify right side
    8,874,124.50x = 160,816,149,590,895.56
  5. Step 5: Solve for x
    x = 160,816,149,590,895.56/8,874,124.50
  6. Step 6: Final answer
    x = 18,121,917.22

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.