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Finding the Third Proportional to 999,585 and 2,193,705

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Solution

The third proportional to 999,585 and 2,193,705 is: 4,814,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,585 : 2,193,705 = 2,193,705 : x
  2. Step 2: Convert to fraction form
    999,585/2,193,705 = 2,193,705/x
  3. Step 3: Cross multiply
    999,585x = 2,193,705 × 2,193,705
  4. Step 4: Simplify right side
    999,585x = 4,812,341,627,025
  5. Step 5: Solve for x
    x = 4,812,341,627,025/999,585
  6. Step 6: Final answer
    x = 4,814,339.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.