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Finding the Third Proportional to 38,869,200 and 85,060,512

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Solution

The third proportional to 38,869,200 and 85,060,512 is: 186,144,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869,200 : 85,060,512 = 85,060,512 : x
  2. Step 2: Convert to fraction form
    38,869,200/85,060,512 = 85,060,512/x
  3. Step 3: Cross multiply
    38,869,200x = 85,060,512 × 85,060,512
  4. Step 4: Simplify right side
    38,869,200x = 7,235,290,701,702,144
  5. Step 5: Solve for x
    x = 7,235,290,701,702,144/38,869,200
  6. Step 6: Final answer
    x = 186,144,574.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.