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Finding the Third Proportional to 40,692,907 and 60,618,990

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Solution

The third proportional to 40,692,907 and 60,618,990 is: 90,302,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,692,907 : 60,618,990 = 60,618,990 : x
  2. Step 2: Convert to fraction form
    40,692,907/60,618,990 = 60,618,990/x
  3. Step 3: Cross multiply
    40,692,907x = 60,618,990 × 60,618,990
  4. Step 4: Simplify right side
    40,692,907x = 3,674,661,948,620,100
  5. Step 5: Solve for x
    x = 3,674,661,948,620,100/40,692,907
  6. Step 6: Final answer
    x = 90,302,271.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.