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Finding the Third Proportional to 1,910,491.31 and 4,175,276.63

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Solution

The third proportional to 1,910,491.31 and 4,175,276.63 is: 9,124,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,491.31 : 4,175,276.63 = 4,175,276.63 : x
  2. Step 2: Convert to fraction form
    1,910,491.31/4,175,276.63 = 4,175,276.63/x
  3. Step 3: Cross multiply
    1,910,491.31x = 4,175,276.63 × 4,175,276.63
  4. Step 4: Simplify right side
    1,910,491.31x = 17,432,934,895,271.39
  5. Step 5: Solve for x
    x = 17,432,934,895,271.39/1,910,491.31
  6. Step 6: Final answer
    x = 9,124,843.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.