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Finding the Third Proportional to 889,965 and 1,918,525.50

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Solution

The third proportional to 889,965 and 1,918,525.50 is: 4,135,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,965 : 1,918,525.50 = 1,918,525.50 : x
  2. Step 2: Convert to fraction form
    889,965/1,918,525.50 = 1,918,525.50/x
  3. Step 3: Cross multiply
    889,965x = 1,918,525.50 × 1,918,525.50
  4. Step 4: Simplify right side
    889,965x = 3,680,740,094,150.25
  5. Step 5: Solve for x
    x = 3,680,740,094,150.25/889,965
  6. Step 6: Final answer
    x = 4,135,825.67

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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.