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Finding the Third Proportional to 9,185,571 and 19,775,196

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Solution

The third proportional to 9,185,571 and 19,775,196 is: 42,573,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185,571 : 19,775,196 = 19,775,196 : x
  2. Step 2: Convert to fraction form
    9,185,571/19,775,196 = 19,775,196/x
  3. Step 3: Cross multiply
    9,185,571x = 19,775,196 × 19,775,196
  4. Step 4: Simplify right side
    9,185,571x = 391,058,376,838,416
  5. Step 5: Solve for x
    x = 391,058,376,838,416/9,185,571
  6. Step 6: Final answer
    x = 42,573,115.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.