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Finding the Third Proportional to 28,430,516 and 43,672,393

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Solution

The third proportional to 28,430,516 and 43,672,393 is: 67,085,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,516 : 43,672,393 = 43,672,393 : x
  2. Step 2: Convert to fraction form
    28,430,516/43,672,393 = 43,672,393/x
  3. Step 3: Cross multiply
    28,430,516x = 43,672,393 × 43,672,393
  4. Step 4: Simplify right side
    28,430,516x = 1,907,277,910,346,449
  5. Step 5: Solve for x
    x = 1,907,277,910,346,449/28,430,516
  6. Step 6: Final answer
    x = 67,085,588.96

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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.