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Finding the Third Proportional to 8,508,664 and 18,213,340

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Solution

The third proportional to 8,508,664 and 18,213,340 is: 38,986,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,664 : 18,213,340 = 18,213,340 : x
  2. Step 2: Convert to fraction form
    8,508,664/18,213,340 = 18,213,340/x
  3. Step 3: Cross multiply
    8,508,664x = 18,213,340 × 18,213,340
  4. Step 4: Simplify right side
    8,508,664x = 331,725,753,955,600
  5. Step 5: Solve for x
    x = 331,725,753,955,600/8,508,664
  6. Step 6: Final answer
    x = 38,986,820.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.