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Finding the Third Proportional to 813,952 and 1,245,216

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Solution

The third proportional to 813,952 and 1,245,216 is: 1,904,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,952 : 1,245,216 = 1,245,216 : x
  2. Step 2: Convert to fraction form
    813,952/1,245,216 = 1,245,216/x
  3. Step 3: Cross multiply
    813,952x = 1,245,216 × 1,245,216
  4. Step 4: Simplify right side
    813,952x = 1,550,562,886,656
  5. Step 5: Solve for x
    x = 1,550,562,886,656/813,952
  6. Step 6: Final answer
    x = 1,904,980.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.