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Finding the Third Proportional to 297,460 and 453,160

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Solution

The third proportional to 297,460 and 453,160 is: 690,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,460 : 453,160 = 453,160 : x
  2. Step 2: Convert to fraction form
    297,460/453,160 = 453,160/x
  3. Step 3: Cross multiply
    297,460x = 453,160 × 453,160
  4. Step 4: Simplify right side
    297,460x = 205,353,985,600
  5. Step 5: Solve for x
    x = 205,353,985,600/297,460
  6. Step 6: Final answer
    x = 690,358.32

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.