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Finding the Third Proportional to 280,465 and 608,252

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Solution

The third proportional to 280,465 and 608,252 is: 1,319,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,465 : 608,252 = 608,252 : x
  2. Step 2: Convert to fraction form
    280,465/608,252 = 608,252/x
  3. Step 3: Cross multiply
    280,465x = 608,252 × 608,252
  4. Step 4: Simplify right side
    280,465x = 369,970,495,504
  5. Step 5: Solve for x
    x = 369,970,495,504/280,465
  6. Step 6: Final answer
    x = 1,319,132.50

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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.