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Finding the Third Proportional to 1,236,559,281 and 2,666,823,309

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Solution

The third proportional to 1,236,559,281 and 2,666,823,309 is: 5,751,399,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,559,281 : 2,666,823,309 = 2,666,823,309 : x
  2. Step 2: Convert to fraction form
    1,236,559,281/2,666,823,309 = 2,666,823,309/x
  3. Step 3: Cross multiply
    1,236,559,281x = 2,666,823,309 × 2,666,823,309
  4. Step 4: Simplify right side
    1,236,559,281x = 7,111,946,561,425,709,056
  5. Step 5: Solve for x
    x = 7,111,946,561,425,709,056/1,236,559,281
  6. Step 6: Final answer
    x = 5,751,399,605.91

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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.