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Finding the Third Proportional to 12,171,412 and 18,955,044

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Solution

The third proportional to 12,171,412 and 18,955,044 is: 29,519,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,412 : 18,955,044 = 18,955,044 : x
  2. Step 2: Convert to fraction form
    12,171,412/18,955,044 = 18,955,044/x
  3. Step 3: Cross multiply
    12,171,412x = 18,955,044 × 18,955,044
  4. Step 4: Simplify right side
    12,171,412x = 359,293,693,041,936
  5. Step 5: Solve for x
    x = 359,293,693,041,936/12,171,412
  6. Step 6: Final answer
    x = 29,519,475.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.