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Finding the Third Proportional to 7,452,672 and 11,216,322

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Solution

The third proportional to 7,452,672 and 11,216,322 is: 16,880,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,672 : 11,216,322 = 11,216,322 : x
  2. Step 2: Convert to fraction form
    7,452,672/11,216,322 = 11,216,322/x
  3. Step 3: Cross multiply
    7,452,672x = 11,216,322 × 11,216,322
  4. Step 4: Simplify right side
    7,452,672x = 125,805,879,207,684
  5. Step 5: Solve for x
    x = 125,805,879,207,684/7,452,672
  6. Step 6: Final answer
    x = 16,880,640.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.