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Finding the Third Proportional to 278,574.50 and 601,483.50

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Solution

The third proportional to 278,574.50 and 601,483.50 is: 1,298,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,574.50 : 601,483.50 = 601,483.50 : x
  2. Step 2: Convert to fraction form
    278,574.50/601,483.50 = 601,483.50/x
  3. Step 3: Cross multiply
    278,574.50x = 601,483.50 × 601,483.50
  4. Step 4: Simplify right side
    278,574.50x = 361,782,400,772.25
  5. Step 5: Solve for x
    x = 361,782,400,772.25/278,574.50
  6. Step 6: Final answer
    x = 1,298,691.74

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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.