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Finding the Third Proportional to 4,198,480 and 9,156,666

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Solution

The third proportional to 4,198,480 and 9,156,666 is: 19,970,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198,480 : 9,156,666 = 9,156,666 : x
  2. Step 2: Convert to fraction form
    4,198,480/9,156,666 = 9,156,666/x
  3. Step 3: Cross multiply
    4,198,480x = 9,156,666 × 9,156,666
  4. Step 4: Simplify right side
    4,198,480x = 83,844,532,235,556
  5. Step 5: Solve for x
    x = 83,844,532,235,556/4,198,480
  6. Step 6: Final answer
    x = 19,970,211.18

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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.