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Finding the Third Proportional to 28,500,916 and 47,173,352

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Solution

The third proportional to 28,500,916 and 47,173,352 is: 78,079,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,916 : 47,173,352 = 47,173,352 : x
  2. Step 2: Convert to fraction form
    28,500,916/47,173,352 = 47,173,352/x
  3. Step 3: Cross multiply
    28,500,916x = 47,173,352 × 47,173,352
  4. Step 4: Simplify right side
    28,500,916x = 2,225,325,138,915,904
  5. Step 5: Solve for x
    x = 2,225,325,138,915,904/28,500,916
  6. Step 6: Final answer
    x = 78,079,074.33

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.