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Finding the Third Proportional to 166,946,520 and 230,688,540

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Solution

The third proportional to 166,946,520 and 230,688,540 is: 318,767,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,946,520 : 230,688,540 = 230,688,540 : x
  2. Step 2: Convert to fraction form
    166,946,520/230,688,540 = 230,688,540/x
  3. Step 3: Cross multiply
    166,946,520x = 230,688,540 × 230,688,540
  4. Step 4: Simplify right side
    166,946,520x = 53,217,202,487,331,600
  5. Step 5: Solve for x
    x = 53,217,202,487,331,600/166,946,520
  6. Step 6: Final answer
    x = 318,767,965.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.