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Finding the Third Proportional to 334,376 and 721,000

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Solution

The third proportional to 334,376 and 721,000 is: 1,554,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,376 : 721,000 = 721,000 : x
  2. Step 2: Convert to fraction form
    334,376/721,000 = 721,000/x
  3. Step 3: Cross multiply
    334,376x = 721,000 × 721,000
  4. Step 4: Simplify right side
    334,376x = 519,841,000,000
  5. Step 5: Solve for x
    x = 519,841,000,000/334,376
  6. Step 6: Final answer
    x = 1,554,660.02

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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.