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Finding the Third Proportional to 10,151,455.50 and 21,920,877

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Solution

The third proportional to 10,151,455.50 and 21,920,877 is: 47,335,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151,455.50 : 21,920,877 = 21,920,877 : x
  2. Step 2: Convert to fraction form
    10,151,455.50/21,920,877 = 21,920,877/x
  3. Step 3: Cross multiply
    10,151,455.50x = 21,920,877 × 21,920,877
  4. Step 4: Simplify right side
    10,151,455.50x = 480,524,848,449,129
  5. Step 5: Solve for x
    x = 480,524,848,449,129/10,151,455.50
  6. Step 6: Final answer
    x = 47,335,561.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.