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Finding the Third Proportional to 163,829,808 and 351,972,360

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Solution

The third proportional to 163,829,808 and 351,972,360 is: 756,178,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,829,808 : 351,972,360 = 351,972,360 : x
  2. Step 2: Convert to fraction form
    163,829,808/351,972,360 = 351,972,360/x
  3. Step 3: Cross multiply
    163,829,808x = 351,972,360 × 351,972,360
  4. Step 4: Simplify right side
    163,829,808x = 123,884,542,203,969,600
  5. Step 5: Solve for x
    x = 123,884,542,203,969,600/163,829,808
  6. Step 6: Final answer
    x = 756,178,278.64

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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.