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Finding the Third Proportional to 607,840 and 1,322,708

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Solution

The third proportional to 607,840 and 1,322,708 is: 2,878,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,840 : 1,322,708 = 1,322,708 : x
  2. Step 2: Convert to fraction form
    607,840/1,322,708 = 1,322,708/x
  3. Step 3: Cross multiply
    607,840x = 1,322,708 × 1,322,708
  4. Step 4: Simplify right side
    607,840x = 1,749,556,453,264
  5. Step 5: Solve for x
    x = 1,749,556,453,264/607,840
  6. Step 6: Final answer
    x = 2,878,317.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.