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Finding the Third Proportional to 329,508 and 719,424

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Solution

The third proportional to 329,508 and 719,424 is: 1,570,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,508 : 719,424 = 719,424 : x
  2. Step 2: Convert to fraction form
    329,508/719,424 = 719,424/x
  3. Step 3: Cross multiply
    329,508x = 719,424 × 719,424
  4. Step 4: Simplify right side
    329,508x = 517,570,891,776
  5. Step 5: Solve for x
    x = 517,570,891,776/329,508
  6. Step 6: Final answer
    x = 1,570,738.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.