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Finding the Third Proportional to 257,962 and 534,148

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Solution

The third proportional to 257,962 and 534,148 is: 1,106,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,962 : 534,148 = 534,148 : x
  2. Step 2: Convert to fraction form
    257,962/534,148 = 534,148/x
  3. Step 3: Cross multiply
    257,962x = 534,148 × 534,148
  4. Step 4: Simplify right side
    257,962x = 285,314,085,904
  5. Step 5: Solve for x
    x = 285,314,085,904/257,962
  6. Step 6: Final answer
    x = 1,106,031.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.