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Finding the Third Proportional to 18,808,348 and 28,139,622

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Solution

The third proportional to 18,808,348 and 28,139,622 is: 42,100,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,348 : 28,139,622 = 28,139,622 : x
  2. Step 2: Convert to fraction form
    18,808,348/28,139,622 = 28,139,622/x
  3. Step 3: Cross multiply
    18,808,348x = 28,139,622 × 28,139,622
  4. Step 4: Simplify right side
    18,808,348x = 791,838,326,302,884
  5. Step 5: Solve for x
    x = 791,838,326,302,884/18,808,348
  6. Step 6: Final answer
    x = 42,100,365.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.