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Finding the Third Proportional to 1,868,400.42 and 3,050,899.17

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Solution

The third proportional to 1,868,400.42 and 3,050,899.17 is: 4,981,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,400.42 : 3,050,899.17 = 3,050,899.17 : x
  2. Step 2: Convert to fraction form
    1,868,400.42/3,050,899.17 = 3,050,899.17/x
  3. Step 3: Cross multiply
    1,868,400.42x = 3,050,899.17 × 3,050,899.17
  4. Step 4: Simplify right side
    1,868,400.42x = 9,307,985,756,947.56
  5. Step 5: Solve for x
    x = 9,307,985,756,947.56/1,868,400.42
  6. Step 6: Final answer
    x = 4,981,793.86

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.