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Finding the Third Proportional to 14,805,621 and 20,170,146

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Solution

The third proportional to 14,805,621 and 20,170,146 is: 27,478,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805,621 : 20,170,146 = 20,170,146 : x
  2. Step 2: Convert to fraction form
    14,805,621/20,170,146 = 20,170,146/x
  3. Step 3: Cross multiply
    14,805,621x = 20,170,146 × 20,170,146
  4. Step 4: Simplify right side
    14,805,621x = 406,834,789,661,316
  5. Step 5: Solve for x
    x = 406,834,789,661,316/14,805,621
  6. Step 6: Final answer
    x = 27,478,400.92

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.