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Finding the Third Proportional to 7,290,970 and 15,954,404

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Solution

The third proportional to 7,290,970 and 15,954,404 is: 34,912,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,970 : 15,954,404 = 15,954,404 : x
  2. Step 2: Convert to fraction form
    7,290,970/15,954,404 = 15,954,404/x
  3. Step 3: Cross multiply
    7,290,970x = 15,954,404 × 15,954,404
  4. Step 4: Simplify right side
    7,290,970x = 254,543,006,995,216
  5. Step 5: Solve for x
    x = 254,543,006,995,216/7,290,970
  6. Step 6: Final answer
    x = 34,912,090.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.