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Finding the Third Proportional to 10,668,766.50 and 15,245,439.75

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Solution

The third proportional to 10,668,766.50 and 15,245,439.75 is: 21,785,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668,766.50 : 15,245,439.75 = 15,245,439.75 : x
  2. Step 2: Convert to fraction form
    10,668,766.50/15,245,439.75 = 15,245,439.75/x
  3. Step 3: Cross multiply
    10,668,766.50x = 15,245,439.75 × 15,245,439.75
  4. Step 4: Simplify right side
    10,668,766.50x = 232,423,433,170,880.06
  5. Step 5: Solve for x
    x = 232,423,433,170,880.06/10,668,766.50
  6. Step 6: Final answer
    x = 21,785,408.20

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.