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Finding the Third Proportional to 11,774,447.50 and 15,903,321.50

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Solution

The third proportional to 11,774,447.50 and 15,903,321.50 is: 21,480,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774,447.50 : 15,903,321.50 = 15,903,321.50 : x
  2. Step 2: Convert to fraction form
    11,774,447.50/15,903,321.50 = 15,903,321.50/x
  3. Step 3: Cross multiply
    11,774,447.50x = 15,903,321.50 × 15,903,321.50
  4. Step 4: Simplify right side
    11,774,447.50x = 252,915,634,732,362.25
  5. Step 5: Solve for x
    x = 252,915,634,732,362.25/11,774,447.50
  6. Step 6: Final answer
    x = 21,480,042.67

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.