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Finding the Third Proportional to 260,008 and 560,464

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Solution

The third proportional to 260,008 and 560,464 is: 1,208,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,008 : 560,464 = 560,464 : x
  2. Step 2: Convert to fraction form
    260,008/560,464 = 560,464/x
  3. Step 3: Cross multiply
    260,008x = 560,464 × 560,464
  4. Step 4: Simplify right side
    260,008x = 314,119,895,296
  5. Step 5: Solve for x
    x = 314,119,895,296/260,008
  6. Step 6: Final answer
    x = 1,208,116.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.