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Finding the Third Proportional to 971,307 and 1,520,361

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Solution

The third proportional to 971,307 and 1,520,361 is: 2,379,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,307 : 1,520,361 = 1,520,361 : x
  2. Step 2: Convert to fraction form
    971,307/1,520,361 = 1,520,361/x
  3. Step 3: Cross multiply
    971,307x = 1,520,361 × 1,520,361
  4. Step 4: Simplify right side
    971,307x = 2,311,497,570,321
  5. Step 5: Solve for x
    x = 2,311,497,570,321/971,307
  6. Step 6: Final answer
    x = 2,379,780.62

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.