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Finding the Third Proportional to 246,508.50 and 390,003.75

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Solution

The third proportional to 246,508.50 and 390,003.75 is: 617,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,508.50 : 390,003.75 = 390,003.75 : x
  2. Step 2: Convert to fraction form
    246,508.50/390,003.75 = 390,003.75/x
  3. Step 3: Cross multiply
    246,508.50x = 390,003.75 × 390,003.75
  4. Step 4: Simplify right side
    246,508.50x = 152,102,925,014.06
  5. Step 5: Solve for x
    x = 152,102,925,014.06/246,508.50
  6. Step 6: Final answer
    x = 617,029.13

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.