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Finding the Third Proportional to 935,815 and 1,397,486

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Solution

The third proportional to 935,815 and 1,397,486 is: 2,086,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,815 : 1,397,486 = 1,397,486 : x
  2. Step 2: Convert to fraction form
    935,815/1,397,486 = 1,397,486/x
  3. Step 3: Cross multiply
    935,815x = 1,397,486 × 1,397,486
  4. Step 4: Simplify right side
    935,815x = 1,952,967,120,196
  5. Step 5: Solve for x
    x = 1,952,967,120,196/935,815
  6. Step 6: Final answer
    x = 2,086,915.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.