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Finding the Third Proportional to 15,208,887.75 and 33,818,137.50

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Solution

The third proportional to 15,208,887.75 and 33,818,137.50 is: 75,197,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208,887.75 : 33,818,137.50 = 33,818,137.50 : x
  2. Step 2: Convert to fraction form
    15,208,887.75/33,818,137.50 = 33,818,137.50/x
  3. Step 3: Cross multiply
    15,208,887.75x = 33,818,137.50 × 33,818,137.50
  4. Step 4: Simplify right side
    15,208,887.75x = 1,143,666,423,968,906.25
  5. Step 5: Solve for x
    x = 1,143,666,423,968,906.25/15,208,887.75
  6. Step 6: Final answer
    x = 75,197,242.74

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.