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Finding the Third Proportional to 21,247,488 and 45,591,768

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Solution

The third proportional to 21,247,488 and 45,591,768 is: 97,828,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,247,488 : 45,591,768 = 45,591,768 : x
  2. Step 2: Convert to fraction form
    21,247,488/45,591,768 = 45,591,768/x
  3. Step 3: Cross multiply
    21,247,488x = 45,591,768 × 45,591,768
  4. Step 4: Simplify right side
    21,247,488x = 2,078,609,309,365,824
  5. Step 5: Solve for x
    x = 2,078,609,309,365,824/21,247,488
  6. Step 6: Final answer
    x = 97,828,473.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.