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Finding the Third Proportional to 285,124.50 and 612,369

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Solution

The third proportional to 285,124.50 and 612,369 is: 1,315,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,124.50 : 612,369 = 612,369 : x
  2. Step 2: Convert to fraction form
    285,124.50/612,369 = 612,369/x
  3. Step 3: Cross multiply
    285,124.50x = 612,369 × 612,369
  4. Step 4: Simplify right side
    285,124.50x = 374,995,792,161
  5. Step 5: Solve for x
    x = 374,995,792,161/285,124.50
  6. Step 6: Final answer
    x = 1,315,200.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.