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Finding the Third Proportional to 7,807,893.75 and 11,665,913.63

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Solution

The third proportional to 7,807,893.75 and 11,665,913.63 is: 17,430,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807,893.75 : 11,665,913.63 = 11,665,913.63 : x
  2. Step 2: Convert to fraction form
    7,807,893.75/11,665,913.63 = 11,665,913.63/x
  3. Step 3: Cross multiply
    7,807,893.75x = 11,665,913.63 × 11,665,913.63
  4. Step 4: Simplify right side
    7,807,893.75x = 136,093,540,705,960.64
  5. Step 5: Solve for x
    x = 136,093,540,705,960.64/7,807,893.75
  6. Step 6: Final answer
    x = 17,430,250.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.