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Finding the Third Proportional to 403,066.13 and 609,135.19

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Solution

The third proportional to 403,066.13 and 609,135.19 is: 920,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,066.13 : 609,135.19 = 609,135.19 : x
  2. Step 2: Convert to fraction form
    403,066.13/609,135.19 = 609,135.19/x
  3. Step 3: Cross multiply
    403,066.13x = 609,135.19 × 609,135.19
  4. Step 4: Simplify right side
    403,066.13x = 371,045,676,650.66
  5. Step 5: Solve for x
    x = 371,045,676,650.66/403,066.13
  6. Step 6: Final answer
    x = 920,557.83

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.