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Finding the Third Proportional to 13,018,344,888 and 28,255,987,392

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Solution

The third proportional to 13,018,344,888 and 28,255,987,392 is: 61,328,903,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018,344,888 : 28,255,987,392 = 28,255,987,392 : x
  2. Step 2: Convert to fraction form
    13,018,344,888/28,255,987,392 = 28,255,987,392/x
  3. Step 3: Cross multiply
    13,018,344,888x = 28,255,987,392 × 28,255,987,392
  4. Step 4: Simplify right side
    13,018,344,888x = 798,400,823,496,862,990,336
  5. Step 5: Solve for x
    x = 798,400,823,496,862,990,336/13,018,344,888
  6. Step 6: Final answer
    x = 61,328,903,970.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.