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Finding the Third Proportional to 13,355,940 and 19,955,288

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Solution

The third proportional to 13,355,940 and 19,955,288 is: 29,815,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,940 : 19,955,288 = 19,955,288 : x
  2. Step 2: Convert to fraction form
    13,355,940/19,955,288 = 19,955,288/x
  3. Step 3: Cross multiply
    13,355,940x = 19,955,288 × 19,955,288
  4. Step 4: Simplify right side
    13,355,940x = 398,213,519,162,944
  5. Step 5: Solve for x
    x = 398,213,519,162,944/13,355,940
  6. Step 6: Final answer
    x = 29,815,461.82

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