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Finding the Third Proportional to 280,506 and 608,028

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Solution

The third proportional to 280,506 and 608,028 is: 1,317,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,506 : 608,028 = 608,028 : x
  2. Step 2: Convert to fraction form
    280,506/608,028 = 608,028/x
  3. Step 3: Cross multiply
    280,506x = 608,028 × 608,028
  4. Step 4: Simplify right side
    280,506x = 369,698,048,784
  5. Step 5: Solve for x
    x = 369,698,048,784/280,506
  6. Step 6: Final answer
    x = 1,317,968.42

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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.