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Finding the Third Proportional to 9,889,178 and 20,536,276

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Solution

The third proportional to 9,889,178 and 20,536,276 is: 42,646,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,178 : 20,536,276 = 20,536,276 : x
  2. Step 2: Convert to fraction form
    9,889,178/20,536,276 = 20,536,276/x
  3. Step 3: Cross multiply
    9,889,178x = 20,536,276 × 20,536,276
  4. Step 4: Simplify right side
    9,889,178x = 421,738,631,948,176
  5. Step 5: Solve for x
    x = 421,738,631,948,176/9,889,178
  6. Step 6: Final answer
    x = 42,646,480.02

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.