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Finding the Third Proportional to 21,981,130 and 33,624,435

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Solution

The third proportional to 21,981,130 and 33,624,435 is: 51,435,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,981,130 : 33,624,435 = 33,624,435 : x
  2. Step 2: Convert to fraction form
    21,981,130/33,624,435 = 33,624,435/x
  3. Step 3: Cross multiply
    21,981,130x = 33,624,435 × 33,624,435
  4. Step 4: Simplify right side
    21,981,130x = 1,130,602,629,069,225
  5. Step 5: Solve for x
    x = 1,130,602,629,069,225/21,981,130
  6. Step 6: Final answer
    x = 51,435,145.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.