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Finding the Third Proportional to 20,961,712 and 45,613,992

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Solution

The third proportional to 20,961,712 and 45,613,992 is: 99,258,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,961,712 : 45,613,992 = 45,613,992 : x
  2. Step 2: Convert to fraction form
    20,961,712/45,613,992 = 45,613,992/x
  3. Step 3: Cross multiply
    20,961,712x = 45,613,992 × 45,613,992
  4. Step 4: Simplify right side
    20,961,712x = 2,080,636,266,176,064
  5. Step 5: Solve for x
    x = 2,080,636,266,176,064/20,961,712
  6. Step 6: Final answer
    x = 99,258,890.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.