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Finding the Third Proportional to 5,145,120 and 10,999,071

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Solution

The third proportional to 5,145,120 and 10,999,071 is: 23,513,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,120 : 10,999,071 = 10,999,071 : x
  2. Step 2: Convert to fraction form
    5,145,120/10,999,071 = 10,999,071/x
  3. Step 3: Cross multiply
    5,145,120x = 10,999,071 × 10,999,071
  4. Step 4: Simplify right side
    5,145,120x = 120,979,562,863,041
  5. Step 5: Solve for x
    x = 120,979,562,863,041/5,145,120
  6. Step 6: Final answer
    x = 23,513,457.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.