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Finding the Third Proportional to 367,039 and 555,621

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Solution

The third proportional to 367,039 and 555,621 is: 841,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,039 : 555,621 = 555,621 : x
  2. Step 2: Convert to fraction form
    367,039/555,621 = 555,621/x
  3. Step 3: Cross multiply
    367,039x = 555,621 × 555,621
  4. Step 4: Simplify right side
    367,039x = 308,714,695,641
  5. Step 5: Solve for x
    x = 308,714,695,641/367,039
  6. Step 6: Final answer
    x = 841,095.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.