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Finding the Third Proportional to 399,610 and 883,335

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Solution

The third proportional to 399,610 and 883,335 is: 1,952,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,610 : 883,335 = 883,335 : x
  2. Step 2: Convert to fraction form
    399,610/883,335 = 883,335/x
  3. Step 3: Cross multiply
    399,610x = 883,335 × 883,335
  4. Step 4: Simplify right side
    399,610x = 780,280,722,225
  5. Step 5: Solve for x
    x = 780,280,722,225/399,610
  6. Step 6: Final answer
    x = 1,952,605.60

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.