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Finding the Third Proportional to 9,608,268.75 and 20,989,465.50

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Solution

The third proportional to 9,608,268.75 and 20,989,465.50 is: 45,851,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,608,268.75 : 20,989,465.50 = 20,989,465.50 : x
  2. Step 2: Convert to fraction form
    9,608,268.75/20,989,465.50 = 20,989,465.50/x
  3. Step 3: Cross multiply
    9,608,268.75x = 20,989,465.50 × 20,989,465.50
  4. Step 4: Simplify right side
    9,608,268.75x = 440,557,661,975,690.25
  5. Step 5: Solve for x
    x = 440,557,661,975,690.25/9,608,268.75
  6. Step 6: Final answer
    x = 45,851,929.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.