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Finding the Third Proportional to 1,889,738.86 and 2,908,573.31

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Solution

The third proportional to 1,889,738.86 and 2,908,573.31 is: 4,476,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,738.86 : 2,908,573.31 = 2,908,573.31 : x
  2. Step 2: Convert to fraction form
    1,889,738.86/2,908,573.31 = 2,908,573.31/x
  3. Step 3: Cross multiply
    1,889,738.86x = 2,908,573.31 × 2,908,573.31
  4. Step 4: Simplify right side
    1,889,738.86x = 8,459,798,714,187.22
  5. Step 5: Solve for x
    x = 8,459,798,714,187.22/1,889,738.86
  6. Step 6: Final answer
    x = 4,476,702.52

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.