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Finding the Third Proportional to 1,229,721,946 and 2,655,394,532

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Solution

The third proportional to 1,229,721,946 and 2,655,394,532 is: 5,733,914,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,721,946 : 2,655,394,532 = 2,655,394,532 : x
  2. Step 2: Convert to fraction form
    1,229,721,946/2,655,394,532 = 2,655,394,532/x
  3. Step 3: Cross multiply
    1,229,721,946x = 2,655,394,532 × 2,655,394,532
  4. Step 4: Simplify right side
    1,229,721,946x = 7,051,120,120,575,499,264
  5. Step 5: Solve for x
    x = 7,051,120,120,575,499,264/1,229,721,946
  6. Step 6: Final answer
    x = 5,733,914,193.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.