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Finding the Third Proportional to 28,973,913 and 61,402,193

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Solution

The third proportional to 28,973,913 and 61,402,193 is: 130,124,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,913 : 61,402,193 = 61,402,193 : x
  2. Step 2: Convert to fraction form
    28,973,913/61,402,193 = 61,402,193/x
  3. Step 3: Cross multiply
    28,973,913x = 61,402,193 × 61,402,193
  4. Step 4: Simplify right side
    28,973,913x = 3,770,229,305,209,249
  5. Step 5: Solve for x
    x = 3,770,229,305,209,249/28,973,913
  6. Step 6: Final answer
    x = 130,124,961.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.