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Finding the Third Proportional to 5,121,792 and 10,990,080

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Solution

The third proportional to 5,121,792 and 10,990,080 is: 23,581,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,792 : 10,990,080 = 10,990,080 : x
  2. Step 2: Convert to fraction form
    5,121,792/10,990,080 = 10,990,080/x
  3. Step 3: Cross multiply
    5,121,792x = 10,990,080 × 10,990,080
  4. Step 4: Simplify right side
    5,121,792x = 120,781,858,406,400
  5. Step 5: Solve for x
    x = 120,781,858,406,400/5,121,792
  6. Step 6: Final answer
    x = 23,581,953.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.