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Finding the Third Proportional to 847,812 and 1,280,358

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Solution

The third proportional to 847,812 and 1,280,358 is: 1,933,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,812 : 1,280,358 = 1,280,358 : x
  2. Step 2: Convert to fraction form
    847,812/1,280,358 = 1,280,358/x
  3. Step 3: Cross multiply
    847,812x = 1,280,358 × 1,280,358
  4. Step 4: Simplify right side
    847,812x = 1,639,316,608,164
  5. Step 5: Solve for x
    x = 1,639,316,608,164/847,812
  6. Step 6: Final answer
    x = 1,933,585.05

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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.