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Finding the Third Proportional to 722,621 and 1,573,929

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Solution

The third proportional to 722,621 and 1,573,929 is: 3,428,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,621 : 1,573,929 = 1,573,929 : x
  2. Step 2: Convert to fraction form
    722,621/1,573,929 = 1,573,929/x
  3. Step 3: Cross multiply
    722,621x = 1,573,929 × 1,573,929
  4. Step 4: Simplify right side
    722,621x = 2,477,252,497,041
  5. Step 5: Solve for x
    x = 2,477,252,497,041/722,621
  6. Step 6: Final answer
    x = 3,428,149.05

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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.