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Finding the Third Proportional to 15,921,219 and 34,823,439

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Solution

The third proportional to 15,921,219 and 34,823,439 is: 76,167,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,219 : 34,823,439 = 34,823,439 : x
  2. Step 2: Convert to fraction form
    15,921,219/34,823,439 = 34,823,439/x
  3. Step 3: Cross multiply
    15,921,219x = 34,823,439 × 34,823,439
  4. Step 4: Simplify right side
    15,921,219x = 1,212,671,903,786,721
  5. Step 5: Solve for x
    x = 1,212,671,903,786,721/15,921,219
  6. Step 6: Final answer
    x = 76,167,026.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.