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Finding the Third Proportional to 203,602 and 425,792

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Solution

The third proportional to 203,602 and 425,792 is: 890,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,602 : 425,792 = 425,792 : x
  2. Step 2: Convert to fraction form
    203,602/425,792 = 425,792/x
  3. Step 3: Cross multiply
    203,602x = 425,792 × 425,792
  4. Step 4: Simplify right side
    203,602x = 181,298,827,264
  5. Step 5: Solve for x
    x = 181,298,827,264/203,602
  6. Step 6: Final answer
    x = 890,457.01

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.