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Finding the Third Proportional to 8,574,464 and 18,876,120

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Solution

The third proportional to 8,574,464 and 18,876,120 is: 41,554,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574,464 : 18,876,120 = 18,876,120 : x
  2. Step 2: Convert to fraction form
    8,574,464/18,876,120 = 18,876,120/x
  3. Step 3: Cross multiply
    8,574,464x = 18,876,120 × 18,876,120
  4. Step 4: Simplify right side
    8,574,464x = 356,307,906,254,400
  5. Step 5: Solve for x
    x = 356,307,906,254,400/8,574,464
  6. Step 6: Final answer
    x = 41,554,539.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.