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Finding the Third Proportional to 201,914,213.63 and 439,205,887.13

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Solution

The third proportional to 201,914,213.63 and 439,205,887.13 is: 955,365,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,914,213.63 : 439,205,887.13 = 439,205,887.13 : x
  2. Step 2: Convert to fraction form
    201,914,213.63/439,205,887.13 = 439,205,887.13/x
  3. Step 3: Cross multiply
    201,914,213.63x = 439,205,887.13 × 439,205,887.13
  4. Step 4: Simplify right side
    201,914,213.63x = 192,901,811,285,258,240
  5. Step 5: Solve for x
    x = 192,901,811,285,258,240/201,914,213.63
  6. Step 6: Final answer
    x = 955,365,191.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.