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Finding the Third Proportional to 1,221,553 and 2,632,440.50

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Solution

The third proportional to 1,221,553 and 2,632,440.50 is: 5,672,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,553 : 2,632,440.50 = 2,632,440.50 : x
  2. Step 2: Convert to fraction form
    1,221,553/2,632,440.50 = 2,632,440.50/x
  3. Step 3: Cross multiply
    1,221,553x = 2,632,440.50 × 2,632,440.50
  4. Step 4: Simplify right side
    1,221,553x = 6,929,742,986,040.25
  5. Step 5: Solve for x
    x = 6,929,742,986,040.25/1,221,553
  6. Step 6: Final answer
    x = 5,672,895.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.