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Finding the Third Proportional to 14,397,423.75 and 20,371,912.88

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Solution

The third proportional to 14,397,423.75 and 20,371,912.88 is: 28,825,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397,423.75 : 20,371,912.88 = 20,371,912.88 : x
  2. Step 2: Convert to fraction form
    14,397,423.75/20,371,912.88 = 20,371,912.88/x
  3. Step 3: Cross multiply
    14,397,423.75x = 20,371,912.88 × 20,371,912.88
  4. Step 4: Simplify right side
    14,397,423.75x = 415,014,834,186,590.75
  5. Step 5: Solve for x
    x = 415,014,834,186,590.75/14,397,423.75
  6. Step 6: Final answer
    x = 28,825,631.68

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1.5x scale

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.