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Finding the Third Proportional to 19,255,080 and 42,289,512

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Solution

The third proportional to 19,255,080 and 42,289,512 is: 92,879,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255,080 : 42,289,512 = 42,289,512 : x
  2. Step 2: Convert to fraction form
    19,255,080/42,289,512 = 42,289,512/x
  3. Step 3: Cross multiply
    19,255,080x = 42,289,512 × 42,289,512
  4. Step 4: Simplify right side
    19,255,080x = 1,788,402,825,198,144
  5. Step 5: Solve for x
    x = 1,788,402,825,198,144/19,255,080
  6. Step 6: Final answer
    x = 92,879,532.32

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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.