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Finding the Third Proportional to 14,805,619 and 20,170,143

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Solution

The third proportional to 14,805,619 and 20,170,143 is: 27,478,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805,619 : 20,170,143 = 20,170,143 : x
  2. Step 2: Convert to fraction form
    14,805,619/20,170,143 = 20,170,143/x
  3. Step 3: Cross multiply
    14,805,619x = 20,170,143 × 20,170,143
  4. Step 4: Simplify right side
    14,805,619x = 406,834,668,640,449
  5. Step 5: Solve for x
    x = 406,834,668,640,449/14,805,619
  6. Step 6: Final answer
    x = 27,478,396.45

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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.