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Finding the Third Proportional to 201,907 and 424,739

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Solution

The third proportional to 201,907 and 424,739 is: 893,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,907 : 424,739 = 424,739 : x
  2. Step 2: Convert to fraction form
    201,907/424,739 = 424,739/x
  3. Step 3: Cross multiply
    201,907x = 424,739 × 424,739
  4. Step 4: Simplify right side
    201,907x = 180,403,218,121
  5. Step 5: Solve for x
    x = 180,403,218,121/201,907
  6. Step 6: Final answer
    x = 893,496.60

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.