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Finding the Third Proportional to 1,220,896 and 2,645,176

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Solution

The third proportional to 1,220,896 and 2,645,176 is: 5,731,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,896 : 2,645,176 = 2,645,176 : x
  2. Step 2: Convert to fraction form
    1,220,896/2,645,176 = 2,645,176/x
  3. Step 3: Cross multiply
    1,220,896x = 2,645,176 × 2,645,176
  4. Step 4: Simplify right side
    1,220,896x = 6,996,956,070,976
  5. Step 5: Solve for x
    x = 6,996,956,070,976/1,220,896
  6. Step 6: Final answer
    x = 5,731,000.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.