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Finding the Third Proportional to 9,205,966 and 13,808,945

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Solution

The third proportional to 9,205,966 and 13,808,945 is: 20,713,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,966 : 13,808,945 = 13,808,945 : x
  2. Step 2: Convert to fraction form
    9,205,966/13,808,945 = 13,808,945/x
  3. Step 3: Cross multiply
    9,205,966x = 13,808,945 × 13,808,945
  4. Step 4: Simplify right side
    9,205,966x = 190,686,962,013,025
  5. Step 5: Solve for x
    x = 190,686,962,013,025/9,205,966
  6. Step 6: Final answer
    x = 20,713,411.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.