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Finding the Third Proportional to 509,814 and 1,120,284

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Solution

The third proportional to 509,814 and 1,120,284 is: 2,461,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,814 : 1,120,284 = 1,120,284 : x
  2. Step 2: Convert to fraction form
    509,814/1,120,284 = 1,120,284/x
  3. Step 3: Cross multiply
    509,814x = 1,120,284 × 1,120,284
  4. Step 4: Simplify right side
    509,814x = 1,255,036,240,656
  5. Step 5: Solve for x
    x = 1,255,036,240,656/509,814
  6. Step 6: Final answer
    x = 2,461,753.19

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.