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Finding the Third Proportional to 18,389,269 and 39,020,077

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Solution

The third proportional to 18,389,269 and 39,020,077 is: 82,796,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,269 : 39,020,077 = 39,020,077 : x
  2. Step 2: Convert to fraction form
    18,389,269/39,020,077 = 39,020,077/x
  3. Step 3: Cross multiply
    18,389,269x = 39,020,077 × 39,020,077
  4. Step 4: Simplify right side
    18,389,269x = 1,522,566,409,085,929
  5. Step 5: Solve for x
    x = 1,522,566,409,085,929/18,389,269
  6. Step 6: Final answer
    x = 82,796,461.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.