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Finding the Third Proportional to 423,425 and 908,248

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Solution

The third proportional to 423,425 and 908,248 is: 1,948,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,425 : 908,248 = 908,248 : x
  2. Step 2: Convert to fraction form
    423,425/908,248 = 908,248/x
  3. Step 3: Cross multiply
    423,425x = 908,248 × 908,248
  4. Step 4: Simplify right side
    423,425x = 824,914,429,504
  5. Step 5: Solve for x
    x = 824,914,429,504/423,425
  6. Step 6: Final answer
    x = 1,948,194.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.