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Finding the Third Proportional to 104,134,128 and 216,887,364

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Solution

The third proportional to 104,134,128 and 216,887,364 is: 451,726,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,134,128 : 216,887,364 = 216,887,364 : x
  2. Step 2: Convert to fraction form
    104,134,128/216,887,364 = 216,887,364/x
  3. Step 3: Cross multiply
    104,134,128x = 216,887,364 × 216,887,364
  4. Step 4: Simplify right side
    104,134,128x = 47,040,128,662,868,496
  5. Step 5: Solve for x
    x = 47,040,128,662,868,496/104,134,128
  6. Step 6: Final answer
    x = 451,726,341.46

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.