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Finding the Third Proportional to 4,117,322 and 9,072,292

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Solution

The third proportional to 4,117,322 and 9,072,292 is: 19,990,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117,322 : 9,072,292 = 9,072,292 : x
  2. Step 2: Convert to fraction form
    4,117,322/9,072,292 = 9,072,292/x
  3. Step 3: Cross multiply
    4,117,322x = 9,072,292 × 9,072,292
  4. Step 4: Simplify right side
    4,117,322x = 82,306,482,133,264
  5. Step 5: Solve for x
    x = 82,306,482,133,264/4,117,322
  6. Step 6: Final answer
    x = 19,990,295.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.