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Finding the Third Proportional to 1,293,710,178 and 2,814,091,755

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Solution

The third proportional to 1,293,710,178 and 2,814,091,755 is: 6,121,241,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,710,178 : 2,814,091,755 = 2,814,091,755 : x
  2. Step 2: Convert to fraction form
    1,293,710,178/2,814,091,755 = 2,814,091,755/x
  3. Step 3: Cross multiply
    1,293,710,178x = 2,814,091,755 × 2,814,091,755
  4. Step 4: Simplify right side
    1,293,710,178x = 7,919,112,405,558,979,584
  5. Step 5: Solve for x
    x = 7,919,112,405,558,979,584/1,293,710,178
  6. Step 6: Final answer
    x = 6,121,241,480.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.