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Finding the Third Proportional to 13,349,520 and 20,680,152

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Solution

The third proportional to 13,349,520 and 20,680,152 is: 32,036,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,520 : 20,680,152 = 20,680,152 : x
  2. Step 2: Convert to fraction form
    13,349,520/20,680,152 = 20,680,152/x
  3. Step 3: Cross multiply
    13,349,520x = 20,680,152 × 20,680,152
  4. Step 4: Simplify right side
    13,349,520x = 427,668,686,743,104
  5. Step 5: Solve for x
    x = 427,668,686,743,104/13,349,520
  6. Step 6: Final answer
    x = 32,036,259.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.