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Finding the Third Proportional to 181,798 and 372,410

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Solution

The third proportional to 181,798 and 372,410 is: 762,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,798 : 372,410 = 372,410 : x
  2. Step 2: Convert to fraction form
    181,798/372,410 = 372,410/x
  3. Step 3: Cross multiply
    181,798x = 372,410 × 372,410
  4. Step 4: Simplify right side
    181,798x = 138,689,208,100
  5. Step 5: Solve for x
    x = 138,689,208,100/181,798
  6. Step 6: Final answer
    x = 762,875.32

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.