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Finding the Third Proportional to 163,257,156 and 355,210,884

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Solution

The third proportional to 163,257,156 and 355,210,884 is: 772,859,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,257,156 : 355,210,884 = 355,210,884 : x
  2. Step 2: Convert to fraction form
    163,257,156/355,210,884 = 355,210,884/x
  3. Step 3: Cross multiply
    163,257,156x = 355,210,884 × 355,210,884
  4. Step 4: Simplify right side
    163,257,156x = 126,174,772,112,061,456
  5. Step 5: Solve for x
    x = 126,174,772,112,061,456/163,257,156
  6. Step 6: Final answer
    x = 772,859,059.92

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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.