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Finding the Third Proportional to 243,381,480,892 and 520,257,210,872

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Solution

The third proportional to 243,381,480,892 and 520,257,210,872 is: 1,112,112,410,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,381,480,892 : 520,257,210,872 = 520,257,210,872 : x
  2. Step 2: Convert to fraction form
    243,381,480,892/520,257,210,872 = 520,257,210,872/x
  3. Step 3: Cross multiply
    243,381,480,892x = 520,257,210,872 × 520,257,210,872
  4. Step 4: Simplify right side
    243,381,480,892x = 270,667,565,464,312,667,439,104
  5. Step 5: Solve for x
    x = 270,667,565,464,312,667,439,104/243,381,480,892
  6. Step 6: Final answer
    x = 1,112,112,410,822.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.