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Finding the Third Proportional to 492,867 and 745,879

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Solution

The third proportional to 492,867 and 745,879 is: 1,128,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,867 : 745,879 = 745,879 : x
  2. Step 2: Convert to fraction form
    492,867/745,879 = 745,879/x
  3. Step 3: Cross multiply
    492,867x = 745,879 × 745,879
  4. Step 4: Simplify right side
    492,867x = 556,335,482,641
  5. Step 5: Solve for x
    x = 556,335,482,641/492,867
  6. Step 6: Final answer
    x = 1,128,774.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.