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Finding the Third Proportional to 1,242,943.50 and 1,881,219

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Solution

The third proportional to 1,242,943.50 and 1,881,219 is: 2,847,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,943.50 : 1,881,219 = 1,881,219 : x
  2. Step 2: Convert to fraction form
    1,242,943.50/1,881,219 = 1,881,219/x
  3. Step 3: Cross multiply
    1,242,943.50x = 1,881,219 × 1,881,219
  4. Step 4: Simplify right side
    1,242,943.50x = 3,538,984,925,961
  5. Step 5: Solve for x
    x = 3,538,984,925,961/1,242,943.50
  6. Step 6: Final answer
    x = 2,847,261.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.