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Finding the Third Proportional to 166,991,475.66 and 254,806,386.61

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Solution

The third proportional to 166,991,475.66 and 254,806,386.61 is: 388,800,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,991,475.66 : 254,806,386.61 = 254,806,386.61 : x
  2. Step 2: Convert to fraction form
    166,991,475.66/254,806,386.61 = 254,806,386.61/x
  3. Step 3: Cross multiply
    166,991,475.66x = 254,806,386.61 × 254,806,386.61
  4. Step 4: Simplify right side
    166,991,475.66x = 64,926,294,656,928,832
  5. Step 5: Solve for x
    x = 64,926,294,656,928,832/166,991,475.66
  6. Step 6: Final answer
    x = 388,800,053.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.