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Finding the Third Proportional to 1,938,901.50 and 4,165,659

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Solution

The third proportional to 1,938,901.50 and 4,165,659 is: 8,949,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,901.50 : 4,165,659 = 4,165,659 : x
  2. Step 2: Convert to fraction form
    1,938,901.50/4,165,659 = 4,165,659/x
  3. Step 3: Cross multiply
    1,938,901.50x = 4,165,659 × 4,165,659
  4. Step 4: Simplify right side
    1,938,901.50x = 17,352,714,904,281
  5. Step 5: Solve for x
    x = 17,352,714,904,281/1,938,901.50
  6. Step 6: Final answer
    x = 8,949,766.09

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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.