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Finding the Third Proportional to 572,190 and 885,190

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Solution

The third proportional to 572,190 and 885,190 is: 1,369,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,190 : 885,190 = 885,190 : x
  2. Step 2: Convert to fraction form
    572,190/885,190 = 885,190/x
  3. Step 3: Cross multiply
    572,190x = 885,190 × 885,190
  4. Step 4: Simplify right side
    572,190x = 783,561,336,100
  5. Step 5: Solve for x
    x = 783,561,336,100/572,190
  6. Step 6: Final answer
    x = 1,369,407.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.