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Finding the Third Proportional to 12,120,513 and 26,163,957

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Solution

The third proportional to 12,120,513 and 26,163,957 is: 56,478,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,513 : 26,163,957 = 26,163,957 : x
  2. Step 2: Convert to fraction form
    12,120,513/26,163,957 = 26,163,957/x
  3. Step 3: Cross multiply
    12,120,513x = 26,163,957 × 26,163,957
  4. Step 4: Simplify right side
    12,120,513x = 684,552,645,897,849
  5. Step 5: Solve for x
    x = 684,552,645,897,849/12,120,513
  6. Step 6: Final answer
    x = 56,478,850.85

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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.