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Finding the Third Proportional to 7,688,666 and 16,912,120

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Solution

The third proportional to 7,688,666 and 16,912,120 is: 37,200,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,666 : 16,912,120 = 16,912,120 : x
  2. Step 2: Convert to fraction form
    7,688,666/16,912,120 = 16,912,120/x
  3. Step 3: Cross multiply
    7,688,666x = 16,912,120 × 16,912,120
  4. Step 4: Simplify right side
    7,688,666x = 286,019,802,894,400
  5. Step 5: Solve for x
    x = 286,019,802,894,400/7,688,666
  6. Step 6: Final answer
    x = 37,200,185.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.