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Finding the Third Proportional to 28,909,512 and 42,276,600

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Solution

The third proportional to 28,909,512 and 42,276,600 is: 61,824,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,512 : 42,276,600 = 42,276,600 : x
  2. Step 2: Convert to fraction form
    28,909,512/42,276,600 = 42,276,600/x
  3. Step 3: Cross multiply
    28,909,512x = 42,276,600 × 42,276,600
  4. Step 4: Simplify right side
    28,909,512x = 1,787,310,907,560,000
  5. Step 5: Solve for x
    x = 1,787,310,907,560,000/28,909,512
  6. Step 6: Final answer
    x = 61,824,319.54

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.