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Finding the Third Proportional to 168,424,172 and 368,596,385

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Solution

The third proportional to 168,424,172 and 368,596,385 is: 806,673,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,424,172 : 368,596,385 = 368,596,385 : x
  2. Step 2: Convert to fraction form
    168,424,172/368,596,385 = 368,596,385/x
  3. Step 3: Cross multiply
    168,424,172x = 368,596,385 × 368,596,385
  4. Step 4: Simplify right side
    168,424,172x = 135,863,295,035,068,224
  5. Step 5: Solve for x
    x = 135,863,295,035,068,224/168,424,172
  6. Step 6: Final answer
    x = 806,673,373.67

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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.