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Finding the Third Proportional to 144,484 and 313,970

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Solution

The third proportional to 144,484 and 313,970 is: 682,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,484 : 313,970 = 313,970 : x
  2. Step 2: Convert to fraction form
    144,484/313,970 = 313,970/x
  3. Step 3: Cross multiply
    144,484x = 313,970 × 313,970
  4. Step 4: Simplify right side
    144,484x = 98,577,160,900
  5. Step 5: Solve for x
    x = 98,577,160,900/144,484
  6. Step 6: Final answer
    x = 682,270.43

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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.