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Finding the Third Proportional to 279,703.88 and 612,303.38

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Solution

The third proportional to 279,703.88 and 612,303.38 is: 1,340,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,703.88 : 612,303.38 = 612,303.38 : x
  2. Step 2: Convert to fraction form
    279,703.88/612,303.38 = 612,303.38/x
  3. Step 3: Cross multiply
    279,703.88x = 612,303.38 × 612,303.38
  4. Step 4: Simplify right side
    279,703.88x = 374,915,423,036.39
  5. Step 5: Solve for x
    x = 374,915,423,036.39/279,703.88
  6. Step 6: Final answer
    x = 1,340,401.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.