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Finding the Third Proportional to 5,418,454 and 7,430,225

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Solution

The third proportional to 5,418,454 and 7,430,225 is: 10,188,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,454 : 7,430,225 = 7,430,225 : x
  2. Step 2: Convert to fraction form
    5,418,454/7,430,225 = 7,430,225/x
  3. Step 3: Cross multiply
    5,418,454x = 7,430,225 × 7,430,225
  4. Step 4: Simplify right side
    5,418,454x = 55,208,243,550,625
  5. Step 5: Solve for x
    x = 55,208,243,550,625/5,418,454
  6. Step 6: Final answer
    x = 10,188,929.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.