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Finding the Third Proportional to 21,906,988 and 48,851,080

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Solution

The third proportional to 21,906,988 and 48,851,080 is: 108,934,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906,988 : 48,851,080 = 48,851,080 : x
  2. Step 2: Convert to fraction form
    21,906,988/48,851,080 = 48,851,080/x
  3. Step 3: Cross multiply
    21,906,988x = 48,851,080 × 48,851,080
  4. Step 4: Simplify right side
    21,906,988x = 2,386,428,017,166,400
  5. Step 5: Solve for x
    x = 2,386,428,017,166,400/21,906,988
  6. Step 6: Final answer
    x = 108,934,556.28

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.