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Finding the Third Proportional to 570,421.50 and 876,855

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Solution

The third proportional to 570,421.50 and 876,855 is: 1,347,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,421.50 : 876,855 = 876,855 : x
  2. Step 2: Convert to fraction form
    570,421.50/876,855 = 876,855/x
  3. Step 3: Cross multiply
    570,421.50x = 876,855 × 876,855
  4. Step 4: Simplify right side
    570,421.50x = 768,874,691,025
  5. Step 5: Solve for x
    x = 768,874,691,025/570,421.50
  6. Step 6: Final answer
    x = 1,347,906.23

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.