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Finding the Third Proportional to 352,628 and 537,203

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Solution

The third proportional to 352,628 and 537,203 is: 818,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,628 : 537,203 = 537,203 : x
  2. Step 2: Convert to fraction form
    352,628/537,203 = 537,203/x
  3. Step 3: Cross multiply
    352,628x = 537,203 × 537,203
  4. Step 4: Simplify right side
    352,628x = 288,587,063,209
  5. Step 5: Solve for x
    x = 288,587,063,209/352,628
  6. Step 6: Final answer
    x = 818,389.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.