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Finding the Third Proportional to 1,210,781 and 2,634,376

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Solution

The third proportional to 1,210,781 and 2,634,376 is: 5,731,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,781 : 2,634,376 = 2,634,376 : x
  2. Step 2: Convert to fraction form
    1,210,781/2,634,376 = 2,634,376/x
  3. Step 3: Cross multiply
    1,210,781x = 2,634,376 × 2,634,376
  4. Step 4: Simplify right side
    1,210,781x = 6,939,936,909,376
  5. Step 5: Solve for x
    x = 6,939,936,909,376/1,210,781
  6. Step 6: Final answer
    x = 5,731,785.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.