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Finding the Third Proportional to 572,416.88 and 890,136

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Solution

The third proportional to 572,416.88 and 890,136 is: 1,384,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,416.88 : 890,136 = 890,136 : x
  2. Step 2: Convert to fraction form
    572,416.88/890,136 = 890,136/x
  3. Step 3: Cross multiply
    572,416.88x = 890,136 × 890,136
  4. Step 4: Simplify right side
    572,416.88x = 792,342,098,496
  5. Step 5: Solve for x
    x = 792,342,098,496/572,416.88
  6. Step 6: Final answer
    x = 1,384,204.65

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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.