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Finding the Third Proportional to 296,556 and 649,570

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Solution

The third proportional to 296,556 and 649,570 is: 1,422,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,556 : 649,570 = 649,570 : x
  2. Step 2: Convert to fraction form
    296,556/649,570 = 649,570/x
  3. Step 3: Cross multiply
    296,556x = 649,570 × 649,570
  4. Step 4: Simplify right side
    296,556x = 421,941,184,900
  5. Step 5: Solve for x
    x = 421,941,184,900/296,556
  6. Step 6: Final answer
    x = 1,422,804.41

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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.