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Finding the Third Proportional to 3,139,687.50 and 6,781,251

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Solution

The third proportional to 3,139,687.50 and 6,781,251 is: 14,646,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,687.50 : 6,781,251 = 6,781,251 : x
  2. Step 2: Convert to fraction form
    3,139,687.50/6,781,251 = 6,781,251/x
  3. Step 3: Cross multiply
    3,139,687.50x = 6,781,251 × 6,781,251
  4. Step 4: Simplify right side
    3,139,687.50x = 45,985,365,125,001
  5. Step 5: Solve for x
    x = 45,985,365,125,001/3,139,687.50
  6. Step 6: Final answer
    x = 14,646,478.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.