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Finding the Third Proportional to 18,808,370 and 38,145,589

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Solution

The third proportional to 18,808,370 and 38,145,589 is: 77,363,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,370 : 38,145,589 = 38,145,589 : x
  2. Step 2: Convert to fraction form
    18,808,370/38,145,589 = 38,145,589/x
  3. Step 3: Cross multiply
    18,808,370x = 38,145,589 × 38,145,589
  4. Step 4: Simplify right side
    18,808,370x = 1,455,085,960,156,921
  5. Step 5: Solve for x
    x = 1,455,085,960,156,921/18,808,370
  6. Step 6: Final answer
    x = 77,363,746.04

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.