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Finding the Third Proportional to 1,126,887,896 and 1,557,146,088

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Solution

The third proportional to 1,126,887,896 and 1,557,146,088 is: 2,151,681,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,887,896 : 1,557,146,088 = 1,557,146,088 : x
  2. Step 2: Convert to fraction form
    1,126,887,896/1,557,146,088 = 1,557,146,088/x
  3. Step 3: Cross multiply
    1,126,887,896x = 1,557,146,088 × 1,557,146,088
  4. Step 4: Simplify right side
    1,126,887,896x = 2,424,703,939,373,703,680
  5. Step 5: Solve for x
    x = 2,424,703,939,373,703,680/1,126,887,896
  6. Step 6: Final answer
    x = 2,151,681,589.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.