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Finding the Third Proportional to 908,340 and 1,971,228

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Solution

The third proportional to 908,340 and 1,971,228 is: 4,277,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,340 : 1,971,228 = 1,971,228 : x
  2. Step 2: Convert to fraction form
    908,340/1,971,228 = 1,971,228/x
  3. Step 3: Cross multiply
    908,340x = 1,971,228 × 1,971,228
  4. Step 4: Simplify right side
    908,340x = 3,885,739,827,984
  5. Step 5: Solve for x
    x = 3,885,739,827,984/908,340
  6. Step 6: Final answer
    x = 4,277,847.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.