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Finding the Third Proportional to 558,002 and 1,239,988

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Solution

The third proportional to 558,002 and 1,239,988 is: 2,755,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,002 : 1,239,988 = 1,239,988 : x
  2. Step 2: Convert to fraction form
    558,002/1,239,988 = 1,239,988/x
  3. Step 3: Cross multiply
    558,002x = 1,239,988 × 1,239,988
  4. Step 4: Simplify right side
    558,002x = 1,537,570,240,144
  5. Step 5: Solve for x
    x = 1,537,570,240,144/558,002
  6. Step 6: Final answer
    x = 2,755,492.35

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.