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Finding the Third Proportional to 5,616,515 and 12,127,989

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Solution

The third proportional to 5,616,515 and 12,127,989 is: 26,188,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616,515 : 12,127,989 = 12,127,989 : x
  2. Step 2: Convert to fraction form
    5,616,515/12,127,989 = 12,127,989/x
  3. Step 3: Cross multiply
    5,616,515x = 12,127,989 × 12,127,989
  4. Step 4: Simplify right side
    5,616,515x = 147,088,117,184,121
  5. Step 5: Solve for x
    x = 147,088,117,184,121/5,616,515
  6. Step 6: Final answer
    x = 26,188,502.51

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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.