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Finding the Third Proportional to 21,665,940.75 and 33,655,842

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Solution

The third proportional to 21,665,940.75 and 33,655,842 is: 52,280,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665,940.75 : 33,655,842 = 33,655,842 : x
  2. Step 2: Convert to fraction form
    21,665,940.75/33,655,842 = 33,655,842/x
  3. Step 3: Cross multiply
    21,665,940.75x = 33,655,842 × 33,655,842
  4. Step 4: Simplify right side
    21,665,940.75x = 1,132,715,700,728,964
  5. Step 5: Solve for x
    x = 1,132,715,700,728,964/21,665,940.75
  6. Step 6: Final answer
    x = 52,280,937.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.