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Finding the Third Proportional to 18,881,730 and 28,206,063

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Solution

The third proportional to 18,881,730 and 28,206,063 is: 42,135,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881,730 : 28,206,063 = 28,206,063 : x
  2. Step 2: Convert to fraction form
    18,881,730/28,206,063 = 28,206,063/x
  3. Step 3: Cross multiply
    18,881,730x = 28,206,063 × 28,206,063
  4. Step 4: Simplify right side
    18,881,730x = 795,581,989,959,969
  5. Step 5: Solve for x
    x = 795,581,989,959,969/18,881,730
  6. Step 6: Final answer
    x = 42,135,015.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.