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Finding the Third Proportional to 21,192,238 and 45,772,381

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Solution

The third proportional to 21,192,238 and 45,772,381 is: 98,862,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,238 : 45,772,381 = 45,772,381 : x
  2. Step 2: Convert to fraction form
    21,192,238/45,772,381 = 45,772,381/x
  3. Step 3: Cross multiply
    21,192,238x = 45,772,381 × 45,772,381
  4. Step 4: Simplify right side
    21,192,238x = 2,095,110,862,409,161
  5. Step 5: Solve for x
    x = 2,095,110,862,409,161/21,192,238
  6. Step 6: Final answer
    x = 98,862,180.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.