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Finding the Third Proportional to 9,396,396 and 20,518,578

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Solution

The third proportional to 9,396,396 and 20,518,578 is: 44,805,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396,396 : 20,518,578 = 20,518,578 : x
  2. Step 2: Convert to fraction form
    9,396,396/20,518,578 = 20,518,578/x
  3. Step 3: Cross multiply
    9,396,396x = 20,518,578 × 20,518,578
  4. Step 4: Simplify right side
    9,396,396x = 421,012,043,142,084
  5. Step 5: Solve for x
    x = 421,012,043,142,084/9,396,396
  6. Step 6: Final answer
    x = 44,805,693.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.