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Finding the Third Proportional to 509,199 and 1,116,246

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Solution

The third proportional to 509,199 and 1,116,246 is: 2,446,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,199 : 1,116,246 = 1,116,246 : x
  2. Step 2: Convert to fraction form
    509,199/1,116,246 = 1,116,246/x
  3. Step 3: Cross multiply
    509,199x = 1,116,246 × 1,116,246
  4. Step 4: Simplify right side
    509,199x = 1,246,005,132,516
  5. Step 5: Solve for x
    x = 1,246,005,132,516/509,199
  6. Step 6: Final answer
    x = 2,446,990.53

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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.