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Finding the Third Proportional to 228,156 and 508,720

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Solution

The third proportional to 228,156 and 508,720 is: 1,134,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,156 : 508,720 = 508,720 : x
  2. Step 2: Convert to fraction form
    228,156/508,720 = 508,720/x
  3. Step 3: Cross multiply
    228,156x = 508,720 × 508,720
  4. Step 4: Simplify right side
    228,156x = 258,796,038,400
  5. Step 5: Solve for x
    x = 258,796,038,400/228,156
  6. Step 6: Final answer
    x = 1,134,294.25

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.