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Finding the Third Proportional to 4,088,747 and 8,920,171

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Solution

The third proportional to 4,088,747 and 8,920,171 is: 19,460,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088,747 : 8,920,171 = 8,920,171 : x
  2. Step 2: Convert to fraction form
    4,088,747/8,920,171 = 8,920,171/x
  3. Step 3: Cross multiply
    4,088,747x = 8,920,171 × 8,920,171
  4. Step 4: Simplify right side
    4,088,747x = 79,569,450,669,241
  5. Step 5: Solve for x
    x = 79,569,450,669,241/4,088,747
  6. Step 6: Final answer
    x = 19,460,595.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.