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Finding the Third Proportional to 10,878,178.50 and 16,317,267.75

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Solution

The third proportional to 10,878,178.50 and 16,317,267.75 is: 24,475,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,178.50 : 16,317,267.75 = 16,317,267.75 : x
  2. Step 2: Convert to fraction form
    10,878,178.50/16,317,267.75 = 16,317,267.75/x
  3. Step 3: Cross multiply
    10,878,178.50x = 16,317,267.75 × 16,317,267.75
  4. Step 4: Simplify right side
    10,878,178.50x = 266,253,226,825,190.06
  5. Step 5: Solve for x
    x = 266,253,226,825,190.06/10,878,178.50
  6. Step 6: Final answer
    x = 24,475,901.63

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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.