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Finding the Third Proportional to 334,536 and 721,560

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Solution

The third proportional to 334,536 and 721,560 is: 1,556,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,536 : 721,560 = 721,560 : x
  2. Step 2: Convert to fraction form
    334,536/721,560 = 721,560/x
  3. Step 3: Cross multiply
    334,536x = 721,560 × 721,560
  4. Step 4: Simplify right side
    334,536x = 520,648,833,600
  5. Step 5: Solve for x
    x = 520,648,833,600/334,536
  6. Step 6: Final answer
    x = 1,556,331.26

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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.