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Finding the Third Proportional to 170,487 and 370,899

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Solution

The third proportional to 170,487 and 370,899 is: 806,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,487 : 370,899 = 370,899 : x
  2. Step 2: Convert to fraction form
    170,487/370,899 = 370,899/x
  3. Step 3: Cross multiply
    170,487x = 370,899 × 370,899
  4. Step 4: Simplify right side
    170,487x = 137,566,068,201
  5. Step 5: Solve for x
    x = 137,566,068,201/170,487
  6. Step 6: Final answer
    x = 806,900.63

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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.