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Finding the Third Proportional to 308,302.88 and 672,485.63

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Solution

The third proportional to 308,302.88 and 672,485.63 is: 1,466,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,302.88 : 672,485.63 = 672,485.63 : x
  2. Step 2: Convert to fraction form
    308,302.88/672,485.63 = 672,485.63/x
  3. Step 3: Cross multiply
    308,302.88x = 672,485.63 × 672,485.63
  4. Step 4: Simplify right side
    308,302.88x = 452,236,915,831.64
  5. Step 5: Solve for x
    x = 452,236,915,831.64/308,302.88
  6. Step 6: Final answer
    x = 1,466,859.22

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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.