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Finding the Third Proportional to 551,339 and 1,187,153

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Solution

The third proportional to 551,339 and 1,187,153 is: 2,556,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,339 : 1,187,153 = 1,187,153 : x
  2. Step 2: Convert to fraction form
    551,339/1,187,153 = 1,187,153/x
  3. Step 3: Cross multiply
    551,339x = 1,187,153 × 1,187,153
  4. Step 4: Simplify right side
    551,339x = 1,409,332,245,409
  5. Step 5: Solve for x
    x = 1,409,332,245,409/551,339
  6. Step 6: Final answer
    x = 2,556,199.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.