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Finding the Third Proportional to 19,257,176 and 42,292,912

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Solution

The third proportional to 19,257,176 and 42,292,912 is: 92,884,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257,176 : 42,292,912 = 42,292,912 : x
  2. Step 2: Convert to fraction form
    19,257,176/42,292,912 = 42,292,912/x
  3. Step 3: Cross multiply
    19,257,176x = 42,292,912 × 42,292,912
  4. Step 4: Simplify right side
    19,257,176x = 1,788,690,405,439,744
  5. Step 5: Solve for x
    x = 1,788,690,405,439,744/19,257,176
  6. Step 6: Final answer
    x = 92,884,356.74

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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.