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Finding the Third Proportional to 285,808.50 and 609,585.75

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Solution

The third proportional to 285,808.50 and 609,585.75 is: 1,300,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,808.50 : 609,585.75 = 609,585.75 : x
  2. Step 2: Convert to fraction form
    285,808.50/609,585.75 = 609,585.75/x
  3. Step 3: Cross multiply
    285,808.50x = 609,585.75 × 609,585.75
  4. Step 4: Simplify right side
    285,808.50x = 371,594,786,603.06
  5. Step 5: Solve for x
    x = 371,594,786,603.06/285,808.50
  6. Step 6: Final answer
    x = 1,300,153.03

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.