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Finding the Third Proportional to 30,051,878 and 45,083,974

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Solution

The third proportional to 30,051,878 and 45,083,974 is: 67,635,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051,878 : 45,083,974 = 45,083,974 : x
  2. Step 2: Convert to fraction form
    30,051,878/45,083,974 = 45,083,974/x
  3. Step 3: Cross multiply
    30,051,878x = 45,083,974 × 45,083,974
  4. Step 4: Simplify right side
    30,051,878x = 2,032,564,711,632,676
  5. Step 5: Solve for x
    x = 2,032,564,711,632,676/30,051,878
  6. Step 6: Final answer
    x = 67,635,197.76

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Why These Related Problems?

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