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Finding the Third Proportional to 163,256,670 and 355,210,059

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Solution

The third proportional to 163,256,670 and 355,210,059 is: 772,857,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,256,670 : 355,210,059 = 355,210,059 : x
  2. Step 2: Convert to fraction form
    163,256,670/355,210,059 = 355,210,059/x
  3. Step 3: Cross multiply
    163,256,670x = 355,210,059 × 355,210,059
  4. Step 4: Simplify right side
    163,256,670x = 126,174,186,014,783,488
  5. Step 5: Solve for x
    x = 126,174,186,014,783,488/163,256,670
  6. Step 6: Final answer
    x = 772,857,770.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.