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Finding the Third Proportional to 785,286 and 1,245,486

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Solution

The third proportional to 785,286 and 1,245,486 is: 1,975,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,286 : 1,245,486 = 1,245,486 : x
  2. Step 2: Convert to fraction form
    785,286/1,245,486 = 1,245,486/x
  3. Step 3: Cross multiply
    785,286x = 1,245,486 × 1,245,486
  4. Step 4: Simplify right side
    785,286x = 1,551,235,376,196
  5. Step 5: Solve for x
    x = 1,551,235,376,196/785,286
  6. Step 6: Final answer
    x = 1,975,376.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.