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Finding the Third Proportional to 1,909,776 and 2,761,867.50

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Solution

The third proportional to 1,909,776 and 2,761,867.50 is: 3,994,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,776 : 2,761,867.50 = 2,761,867.50 : x
  2. Step 2: Convert to fraction form
    1,909,776/2,761,867.50 = 2,761,867.50/x
  3. Step 3: Cross multiply
    1,909,776x = 2,761,867.50 × 2,761,867.50
  4. Step 4: Simplify right side
    1,909,776x = 7,627,912,087,556.25
  5. Step 5: Solve for x
    x = 7,627,912,087,556.25/1,909,776
  6. Step 6: Final answer
    x = 3,994,139.67

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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.