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Finding the Third Proportional to 18,893,864 and 30,078,492

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Solution

The third proportional to 18,893,864 and 30,078,492 is: 47,884,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,864 : 30,078,492 = 30,078,492 : x
  2. Step 2: Convert to fraction form
    18,893,864/30,078,492 = 30,078,492/x
  3. Step 3: Cross multiply
    18,893,864x = 30,078,492 × 30,078,492
  4. Step 4: Simplify right side
    18,893,864x = 904,715,680,994,064
  5. Step 5: Solve for x
    x = 904,715,680,994,064/18,893,864
  6. Step 6: Final answer
    x = 47,884,100.41

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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.