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Finding the Third Proportional to 13,793,787 and 20,881,678.50

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Solution

The third proportional to 13,793,787 and 20,881,678.50 is: 31,611,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,787 : 20,881,678.50 = 20,881,678.50 : x
  2. Step 2: Convert to fraction form
    13,793,787/20,881,678.50 = 20,881,678.50/x
  3. Step 3: Cross multiply
    13,793,787x = 20,881,678.50 × 20,881,678.50
  4. Step 4: Simplify right side
    13,793,787x = 436,044,496,977,362.25
  5. Step 5: Solve for x
    x = 436,044,496,977,362.25/13,793,787
  6. Step 6: Final answer
    x = 31,611,659.44

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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.