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Finding the Third Proportional to 4,173,531.75 and 6,638,979.38

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Solution

The third proportional to 4,173,531.75 and 6,638,979.38 is: 10,560,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173,531.75 : 6,638,979.38 = 6,638,979.38 : x
  2. Step 2: Convert to fraction form
    4,173,531.75/6,638,979.38 = 6,638,979.38/x
  3. Step 3: Cross multiply
    4,173,531.75x = 6,638,979.38 × 6,638,979.38
  4. Step 4: Simplify right side
    4,173,531.75x = 44,076,047,141,675.39
  5. Step 5: Solve for x
    x = 44,076,047,141,675.39/4,173,531.75
  6. Step 6: Final answer
    x = 10,560,851.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.