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Finding the Third Proportional to 348,343 and 538,370

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Solution

The third proportional to 348,343 and 538,370 is: 832,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,343 : 538,370 = 538,370 : x
  2. Step 2: Convert to fraction form
    348,343/538,370 = 538,370/x
  3. Step 3: Cross multiply
    348,343x = 538,370 × 538,370
  4. Step 4: Simplify right side
    348,343x = 289,842,256,900
  5. Step 5: Solve for x
    x = 289,842,256,900/348,343
  6. Step 6: Final answer
    x = 832,059.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.