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Finding the Third Proportional to 172,104 and 372,803

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Solution

The third proportional to 172,104 and 372,803 is: 807,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,104 : 372,803 = 372,803 : x
  2. Step 2: Convert to fraction form
    172,104/372,803 = 372,803/x
  3. Step 3: Cross multiply
    172,104x = 372,803 × 372,803
  4. Step 4: Simplify right side
    172,104x = 138,982,076,809
  5. Step 5: Solve for x
    x = 138,982,076,809/172,104
  6. Step 6: Final answer
    x = 807,547.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.