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Finding the Third Proportional to 9,691,015,816 and 21,035,975,644

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Solution

The third proportional to 9,691,015,816 and 21,035,975,644 is: 45,662,114,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,015,816 : 21,035,975,644 = 21,035,975,644 : x
  2. Step 2: Convert to fraction form
    9,691,015,816/21,035,975,644 = 21,035,975,644/x
  3. Step 3: Cross multiply
    9,691,015,816x = 21,035,975,644 × 21,035,975,644
  4. Step 4: Simplify right side
    9,691,015,816x = 442,512,271,294,961,221,632
  5. Step 5: Solve for x
    x = 442,512,271,294,961,221,632/9,691,015,816
  6. Step 6: Final answer
    x = 45,662,114,240.32

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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.