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Finding the Third Proportional to 9,421,168 and 20,700,300

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Solution

The third proportional to 9,421,168 and 20,700,300 is: 45,482,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,168 : 20,700,300 = 20,700,300 : x
  2. Step 2: Convert to fraction form
    9,421,168/20,700,300 = 20,700,300/x
  3. Step 3: Cross multiply
    9,421,168x = 20,700,300 × 20,700,300
  4. Step 4: Simplify right side
    9,421,168x = 428,502,420,090,000
  5. Step 5: Solve for x
    x = 428,502,420,090,000/9,421,168
  6. Step 6: Final answer
    x = 45,482,940.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.