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Finding the Third Proportional to 9,387,546,066 and 19,894,306,887

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Solution

The third proportional to 9,387,546,066 and 19,894,306,887 is: 42,160,479,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387,546,066 : 19,894,306,887 = 19,894,306,887 : x
  2. Step 2: Convert to fraction form
    9,387,546,066/19,894,306,887 = 19,894,306,887/x
  3. Step 3: Cross multiply
    9,387,546,066x = 19,894,306,887 × 19,894,306,887
  4. Step 4: Simplify right side
    9,387,546,066x = 395,783,446,514,135,662,592
  5. Step 5: Solve for x
    x = 395,783,446,514,135,662,592/9,387,546,066
  6. Step 6: Final answer
    x = 42,160,479,824.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.