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Finding the Third Proportional to 987,008 and 1,487,803

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Solution

The third proportional to 987,008 and 1,487,803 is: 2,242,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,008 : 1,487,803 = 1,487,803 : x
  2. Step 2: Convert to fraction form
    987,008/1,487,803 = 1,487,803/x
  3. Step 3: Cross multiply
    987,008x = 1,487,803 × 1,487,803
  4. Step 4: Simplify right side
    987,008x = 2,213,557,766,809
  5. Step 5: Solve for x
    x = 2,213,557,766,809/987,008
  6. Step 6: Final answer
    x = 2,242,694.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.