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Finding the Third Proportional to 570,822 and 888,915

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Solution

The third proportional to 570,822 and 888,915 is: 1,384,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,822 : 888,915 = 888,915 : x
  2. Step 2: Convert to fraction form
    570,822/888,915 = 888,915/x
  3. Step 3: Cross multiply
    570,822x = 888,915 × 888,915
  4. Step 4: Simplify right side
    570,822x = 790,169,877,225
  5. Step 5: Solve for x
    x = 790,169,877,225/570,822
  6. Step 6: Final answer
    x = 1,384,266.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.