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Finding the Third Proportional to 5,478,574.50 and 8,516,268

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Solution

The third proportional to 5,478,574.50 and 8,516,268 is: 13,238,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,574.50 : 8,516,268 = 8,516,268 : x
  2. Step 2: Convert to fraction form
    5,478,574.50/8,516,268 = 8,516,268/x
  3. Step 3: Cross multiply
    5,478,574.50x = 8,516,268 × 8,516,268
  4. Step 4: Simplify right side
    5,478,574.50x = 72,526,820,647,824
  5. Step 5: Solve for x
    x = 72,526,820,647,824/5,478,574.50
  6. Step 6: Final answer
    x = 13,238,264.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.