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Finding the Third Proportional to 12,120,515 and 26,163,961

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Solution

The third proportional to 12,120,515 and 26,163,961 is: 56,478,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,515 : 26,163,961 = 26,163,961 : x
  2. Step 2: Convert to fraction form
    12,120,515/26,163,961 = 26,163,961/x
  3. Step 3: Cross multiply
    12,120,515x = 26,163,961 × 26,163,961
  4. Step 4: Simplify right side
    12,120,515x = 684,552,855,209,521
  5. Step 5: Solve for x
    x = 684,552,855,209,521/12,120,515
  6. Step 6: Final answer
    x = 56,478,858.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.