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Finding the Third Proportional to 166,608,543 and 358,820,130

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Solution

The third proportional to 166,608,543 and 358,820,130 is: 772,780,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,608,543 : 358,820,130 = 358,820,130 : x
  2. Step 2: Convert to fraction form
    166,608,543/358,820,130 = 358,820,130/x
  3. Step 3: Cross multiply
    166,608,543x = 358,820,130 × 358,820,130
  4. Step 4: Simplify right side
    166,608,543x = 128,751,885,693,216,896
  5. Step 5: Solve for x
    x = 128,751,885,693,216,896/166,608,543
  6. Step 6: Final answer
    x = 772,780,815.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.