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Finding the Third Proportional to 1,866,652 and 3,989,179

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Solution

The third proportional to 1,866,652 and 3,989,179 is: 8,525,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,652 : 3,989,179 = 3,989,179 : x
  2. Step 2: Convert to fraction form
    1,866,652/3,989,179 = 3,989,179/x
  3. Step 3: Cross multiply
    1,866,652x = 3,989,179 × 3,989,179
  4. Step 4: Simplify right side
    1,866,652x = 15,913,549,094,041
  5. Step 5: Solve for x
    x = 15,913,549,094,041/1,866,652
  6. Step 6: Final answer
    x = 8,525,182.57

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.