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Finding the Third Proportional to 14,397,429 and 20,371,920.75

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Solution

The third proportional to 14,397,429 and 20,371,920.75 is: 28,825,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397,429 : 20,371,920.75 = 20,371,920.75 : x
  2. Step 2: Convert to fraction form
    14,397,429/20,371,920.75 = 20,371,920.75/x
  3. Step 3: Cross multiply
    14,397,429x = 20,371,920.75 × 20,371,920.75
  4. Step 4: Simplify right side
    14,397,429x = 415,015,155,044,280.56
  5. Step 5: Solve for x
    x = 415,015,155,044,280.56/14,397,429
  6. Step 6: Final answer
    x = 28,825,643.46

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.