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Finding the Third Proportional to 21,223,773 and 45,475,866

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Solution

The third proportional to 21,223,773 and 45,475,866 is: 97,440,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223,773 : 45,475,866 = 45,475,866 : x
  2. Step 2: Convert to fraction form
    21,223,773/45,475,866 = 45,475,866/x
  3. Step 3: Cross multiply
    21,223,773x = 45,475,866 × 45,475,866
  4. Step 4: Simplify right side
    21,223,773x = 2,068,054,388,449,956
  5. Step 5: Solve for x
    x = 2,068,054,388,449,956/21,223,773
  6. Step 6: Final answer
    x = 97,440,468.69

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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.