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Finding the Third Proportional to 722,430 and 1,144,881

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Solution

The third proportional to 722,430 and 1,144,881 is: 1,814,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,430 : 1,144,881 = 1,144,881 : x
  2. Step 2: Convert to fraction form
    722,430/1,144,881 = 1,144,881/x
  3. Step 3: Cross multiply
    722,430x = 1,144,881 × 1,144,881
  4. Step 4: Simplify right side
    722,430x = 1,310,752,504,161
  5. Step 5: Solve for x
    x = 1,310,752,504,161/722,430
  6. Step 6: Final answer
    x = 1,814,366.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.