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Finding the Third Proportional to 260,842 and 571,688

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Solution

The third proportional to 260,842 and 571,688 is: 1,252,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,842 : 571,688 = 571,688 : x
  2. Step 2: Convert to fraction form
    260,842/571,688 = 571,688/x
  3. Step 3: Cross multiply
    260,842x = 571,688 × 571,688
  4. Step 4: Simplify right side
    260,842x = 326,827,169,344
  5. Step 5: Solve for x
    x = 326,827,169,344/260,842
  6. Step 6: Final answer
    x = 1,252,969.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.