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Finding the Third Proportional to 1,242,081 and 1,757,902.50

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Solution

The third proportional to 1,242,081 and 1,757,902.50 is: 2,487,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,081 : 1,757,902.50 = 1,757,902.50 : x
  2. Step 2: Convert to fraction form
    1,242,081/1,757,902.50 = 1,757,902.50/x
  3. Step 3: Cross multiply
    1,242,081x = 1,757,902.50 × 1,757,902.50
  4. Step 4: Simplify right side
    1,242,081x = 3,090,221,199,506.25
  5. Step 5: Solve for x
    x = 3,090,221,199,506.25/1,242,081
  6. Step 6: Final answer
    x = 2,487,938.55

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.