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Finding the Third Proportional to 18,780,111 and 40,772,353

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Solution

The third proportional to 18,780,111 and 40,772,353 is: 88,518,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780,111 : 40,772,353 = 40,772,353 : x
  2. Step 2: Convert to fraction form
    18,780,111/40,772,353 = 40,772,353/x
  3. Step 3: Cross multiply
    18,780,111x = 40,772,353 × 40,772,353
  4. Step 4: Simplify right side
    18,780,111x = 1,662,384,769,156,609
  5. Step 5: Solve for x
    x = 1,662,384,769,156,609/18,780,111
  6. Step 6: Final answer
    x = 88,518,367.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.