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Finding the Third Proportional to 5,877,239,391 and 12,787,560,720

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Solution

The third proportional to 5,877,239,391 and 12,787,560,720 is: 27,822,877,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877,239,391 : 12,787,560,720 = 12,787,560,720 : x
  2. Step 2: Convert to fraction form
    5,877,239,391/12,787,560,720 = 12,787,560,720/x
  3. Step 3: Cross multiply
    5,877,239,391x = 12,787,560,720 × 12,787,560,720
  4. Step 4: Simplify right side
    5,877,239,391x = 163,521,709,167,686,909,952
  5. Step 5: Solve for x
    x = 163,521,709,167,686,909,952/5,877,239,391
  6. Step 6: Final answer
    x = 27,822,877,083.77

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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.