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Finding the Third Proportional to 8,688,769.50 and 18,743,361

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Solution

The third proportional to 8,688,769.50 and 18,743,361 is: 40,433,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,769.50 : 18,743,361 = 18,743,361 : x
  2. Step 2: Convert to fraction form
    8,688,769.50/18,743,361 = 18,743,361/x
  3. Step 3: Cross multiply
    8,688,769.50x = 18,743,361 × 18,743,361
  4. Step 4: Simplify right side
    8,688,769.50x = 351,313,581,576,321
  5. Step 5: Solve for x
    x = 351,313,581,576,321/8,688,769.50
  6. Step 6: Final answer
    x = 40,433,064.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.