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Finding the Third Proportional to 13,412,664 and 21,273,316

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Solution

The third proportional to 13,412,664 and 21,273,316 is: 33,740,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,664 : 21,273,316 = 21,273,316 : x
  2. Step 2: Convert to fraction form
    13,412,664/21,273,316 = 21,273,316/x
  3. Step 3: Cross multiply
    13,412,664x = 21,273,316 × 21,273,316
  4. Step 4: Simplify right side
    13,412,664x = 452,553,973,635,856
  5. Step 5: Solve for x
    x = 452,553,973,635,856/13,412,664
  6. Step 6: Final answer
    x = 33,740,797.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.