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Finding the Third Proportional to 21,222,802 and 45,471,319

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Solution

The third proportional to 21,222,802 and 45,471,319 is: 97,425,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222,802 : 45,471,319 = 45,471,319 : x
  2. Step 2: Convert to fraction form
    21,222,802/45,471,319 = 45,471,319/x
  3. Step 3: Cross multiply
    21,222,802x = 45,471,319 × 45,471,319
  4. Step 4: Simplify right side
    21,222,802x = 2,067,640,851,599,761
  5. Step 5: Solve for x
    x = 2,067,640,851,599,761/21,222,802
  6. Step 6: Final answer
    x = 97,425,441.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.