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Finding the Third Proportional to 28,430,520 and 43,672,398

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Solution

The third proportional to 28,430,520 and 43,672,398 is: 67,085,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,520 : 43,672,398 = 43,672,398 : x
  2. Step 2: Convert to fraction form
    28,430,520/43,672,398 = 43,672,398/x
  3. Step 3: Cross multiply
    28,430,520x = 43,672,398 × 43,672,398
  4. Step 4: Simplify right side
    28,430,520x = 1,907,278,347,070,404
  5. Step 5: Solve for x
    x = 1,907,278,347,070,404/28,430,520
  6. Step 6: Final answer
    x = 67,085,594.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.