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Finding the Third Proportional to 478,099.13 and 1,029,969

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Solution

The third proportional to 478,099.13 and 1,029,969 is: 2,218,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,099.13 : 1,029,969 = 1,029,969 : x
  2. Step 2: Convert to fraction form
    478,099.13/1,029,969 = 1,029,969/x
  3. Step 3: Cross multiply
    478,099.13x = 1,029,969 × 1,029,969
  4. Step 4: Simplify right side
    478,099.13x = 1,060,836,140,961
  5. Step 5: Solve for x
    x = 1,060,836,140,961/478,099.13
  6. Step 6: Final answer
    x = 2,218,862.34

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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.