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Finding the Third Proportional to 919,161 and 1,985,904

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Solution

The third proportional to 919,161 and 1,985,904 is: 4,290,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,161 : 1,985,904 = 1,985,904 : x
  2. Step 2: Convert to fraction form
    919,161/1,985,904 = 1,985,904/x
  3. Step 3: Cross multiply
    919,161x = 1,985,904 × 1,985,904
  4. Step 4: Simplify right side
    919,161x = 3,943,814,697,216
  5. Step 5: Solve for x
    x = 3,943,814,697,216/919,161
  6. Step 6: Final answer
    x = 4,290,668.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.