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Finding the Third Proportional to 121,410 and 190,034

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Solution

The third proportional to 121,410 and 190,034 is: 297,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410 : 190,034 = 190,034 : x
  2. Step 2: Convert to fraction form
    121,410/190,034 = 190,034/x
  3. Step 3: Cross multiply
    121,410x = 190,034 × 190,034
  4. Step 4: Simplify right side
    121,410x = 36,112,921,156
  5. Step 5: Solve for x
    x = 36,112,921,156/121,410
  6. Step 6: Final answer
    x = 297,446.02

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.