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Finding the Third Proportional to 608,893.50 and 865,455

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Solution

The third proportional to 608,893.50 and 865,455 is: 1,230,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,893.50 : 865,455 = 865,455 : x
  2. Step 2: Convert to fraction form
    608,893.50/865,455 = 865,455/x
  3. Step 3: Cross multiply
    608,893.50x = 865,455 × 865,455
  4. Step 4: Simplify right side
    608,893.50x = 749,012,357,025
  5. Step 5: Solve for x
    x = 749,012,357,025/608,893.50
  6. Step 6: Final answer
    x = 1,230,120.47

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.