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Finding the Third Proportional to 280,886.25 and 606,663.75

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Solution

The third proportional to 280,886.25 and 606,663.75 is: 1,310,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,886.25 : 606,663.75 = 606,663.75 : x
  2. Step 2: Convert to fraction form
    280,886.25/606,663.75 = 606,663.75/x
  3. Step 3: Cross multiply
    280,886.25x = 606,663.75 × 606,663.75
  4. Step 4: Simplify right side
    280,886.25x = 368,040,905,564.06
  5. Step 5: Solve for x
    x = 368,040,905,564.06/280,886.25
  6. Step 6: Final answer
    x = 1,310,284.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.