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Finding the Third Proportional to 18,902,490 and 28,526,913

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Solution

The third proportional to 18,902,490 and 28,526,913 is: 43,051,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,490 : 28,526,913 = 28,526,913 : x
  2. Step 2: Convert to fraction form
    18,902,490/28,526,913 = 28,526,913/x
  3. Step 3: Cross multiply
    18,902,490x = 28,526,913 × 28,526,913
  4. Step 4: Simplify right side
    18,902,490x = 813,784,765,309,569
  5. Step 5: Solve for x
    x = 813,784,765,309,569/18,902,490
  6. Step 6: Final answer
    x = 43,051,723.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.