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Finding the Third Proportional to 280,499.06 and 608,554.13

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Solution

The third proportional to 280,499.06 and 608,554.13 is: 1,320,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,499.06 : 608,554.13 = 608,554.13 : x
  2. Step 2: Convert to fraction form
    280,499.06/608,554.13 = 608,554.13/x
  3. Step 3: Cross multiply
    280,499.06x = 608,554.13 × 608,554.13
  4. Step 4: Simplify right side
    280,499.06x = 370,338,123,054.52
  5. Step 5: Solve for x
    x = 370,338,123,054.52/280,499.06
  6. Step 6: Final answer
    x = 1,320,282.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.