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Finding the Third Proportional to 124,907 and 190,485

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Solution

The third proportional to 124,907 and 190,485 is: 290,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,907 : 190,485 = 190,485 : x
  2. Step 2: Convert to fraction form
    124,907/190,485 = 190,485/x
  3. Step 3: Cross multiply
    124,907x = 190,485 × 190,485
  4. Step 4: Simplify right side
    124,907x = 36,284,535,225
  5. Step 5: Solve for x
    x = 36,284,535,225/124,907
  6. Step 6: Final answer
    x = 290,492.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.