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Finding the Third Proportional to 21,127,617 and 45,868,881

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Solution

The third proportional to 21,127,617 and 45,868,881 is: 99,583,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,617 : 45,868,881 = 45,868,881 : x
  2. Step 2: Convert to fraction form
    21,127,617/45,868,881 = 45,868,881/x
  3. Step 3: Cross multiply
    21,127,617x = 45,868,881 × 45,868,881
  4. Step 4: Simplify right side
    21,127,617x = 2,103,954,244,192,161
  5. Step 5: Solve for x
    x = 2,103,954,244,192,161/21,127,617
  6. Step 6: Final answer
    x = 99,583,130.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.