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Finding the Third Proportional to 1,292,891,971 and 1,848,837,720

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Solution

The third proportional to 1,292,891,971 and 1,848,837,720 is: 2,643,841,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,891,971 : 1,848,837,720 = 1,848,837,720 : x
  2. Step 2: Convert to fraction form
    1,292,891,971/1,848,837,720 = 1,848,837,720/x
  3. Step 3: Cross multiply
    1,292,891,971x = 1,848,837,720 × 1,848,837,720
  4. Step 4: Simplify right side
    1,292,891,971x = 3,418,200,914,894,798,336
  5. Step 5: Solve for x
    x = 3,418,200,914,894,798,336/1,292,891,971
  6. Step 6: Final answer
    x = 2,643,841,087.71

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.