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Finding the Third Proportional to 201,725 and 438,938

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Solution

The third proportional to 201,725 and 438,938 is: 955,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,725 : 438,938 = 438,938 : x
  2. Step 2: Convert to fraction form
    201,725/438,938 = 438,938/x
  3. Step 3: Cross multiply
    201,725x = 438,938 × 438,938
  4. Step 4: Simplify right side
    201,725x = 192,666,567,844
  5. Step 5: Solve for x
    x = 192,666,567,844/201,725
  6. Step 6: Final answer
    x = 955,095.14

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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.