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Finding the Third Proportional to 8,889,840 and 13,276,224

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Solution

The third proportional to 8,889,840 and 13,276,224 is: 19,826,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,840 : 13,276,224 = 13,276,224 : x
  2. Step 2: Convert to fraction form
    8,889,840/13,276,224 = 13,276,224/x
  3. Step 3: Cross multiply
    8,889,840x = 13,276,224 × 13,276,224
  4. Step 4: Simplify right side
    8,889,840x = 176,258,123,698,176
  5. Step 5: Solve for x
    x = 176,258,123,698,176/8,889,840
  6. Step 6: Final answer
    x = 19,826,917.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.