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Finding the Third Proportional to 280,482.75 and 607,986

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Solution

The third proportional to 280,482.75 and 607,986 is: 1,317,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,482.75 : 607,986 = 607,986 : x
  2. Step 2: Convert to fraction form
    280,482.75/607,986 = 607,986/x
  3. Step 3: Cross multiply
    280,482.75x = 607,986 × 607,986
  4. Step 4: Simplify right side
    280,482.75x = 369,646,976,196
  5. Step 5: Solve for x
    x = 369,646,976,196/280,482.75
  6. Step 6: Final answer
    x = 1,317,895.58

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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.