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Finding the Third Proportional to 345,600 and 494,208

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Solution

The third proportional to 345,600 and 494,208 is: 706,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,600 : 494,208 = 494,208 : x
  2. Step 2: Convert to fraction form
    345,600/494,208 = 494,208/x
  3. Step 3: Cross multiply
    345,600x = 494,208 × 494,208
  4. Step 4: Simplify right side
    345,600x = 244,241,547,264
  5. Step 5: Solve for x
    x = 244,241,547,264/345,600
  6. Step 6: Final answer
    x = 706,717.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.