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Finding the Third Proportional to 9,818,692 and 20,319,112

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Solution

The third proportional to 9,818,692 and 20,319,112 is: 42,049,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818,692 : 20,319,112 = 20,319,112 : x
  2. Step 2: Convert to fraction form
    9,818,692/20,319,112 = 20,319,112/x
  3. Step 3: Cross multiply
    9,818,692x = 20,319,112 × 20,319,112
  4. Step 4: Simplify right side
    9,818,692x = 412,866,312,468,544
  5. Step 5: Solve for x
    x = 412,866,312,468,544/9,818,692
  6. Step 6: Final answer
    x = 42,049,013.50

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.