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Finding the Third Proportional to 21,192,268 and 45,772,442

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Solution

The third proportional to 21,192,268 and 45,772,442 is: 98,862,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,268 : 45,772,442 = 45,772,442 : x
  2. Step 2: Convert to fraction form
    21,192,268/45,772,442 = 45,772,442/x
  3. Step 3: Cross multiply
    21,192,268x = 45,772,442 × 45,772,442
  4. Step 4: Simplify right side
    21,192,268x = 2,095,116,446,643,364
  5. Step 5: Solve for x
    x = 2,095,116,446,643,364/21,192,268
  6. Step 6: Final answer
    x = 98,862,304.24

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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.