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Finding the Third Proportional to 355,806 and 550,332

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Solution

The third proportional to 355,806 and 550,332 is: 851,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,806 : 550,332 = 550,332 : x
  2. Step 2: Convert to fraction form
    355,806/550,332 = 550,332/x
  3. Step 3: Cross multiply
    355,806x = 550,332 × 550,332
  4. Step 4: Simplify right side
    355,806x = 302,865,310,224
  5. Step 5: Solve for x
    x = 302,865,310,224/355,806
  6. Step 6: Final answer
    x = 851,209.11

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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.