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Finding the Third Proportional to 20,174,630 and 43,778,620

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Solution

The third proportional to 20,174,630 and 43,778,620 is: 94,998,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,630 : 43,778,620 = 43,778,620 : x
  2. Step 2: Convert to fraction form
    20,174,630/43,778,620 = 43,778,620/x
  3. Step 3: Cross multiply
    20,174,630x = 43,778,620 × 43,778,620
  4. Step 4: Simplify right side
    20,174,630x = 1,916,567,569,104,400
  5. Step 5: Solve for x
    x = 1,916,567,569,104,400/20,174,630
  6. Step 6: Final answer
    x = 94,998,895.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.