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Finding the Third Proportional to 170,472 and 264,312

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Solution

The third proportional to 170,472 and 264,312 is: 409,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,472 : 264,312 = 264,312 : x
  2. Step 2: Convert to fraction form
    170,472/264,312 = 264,312/x
  3. Step 3: Cross multiply
    170,472x = 264,312 × 264,312
  4. Step 4: Simplify right side
    170,472x = 69,860,833,344
  5. Step 5: Solve for x
    x = 69,860,833,344/170,472
  6. Step 6: Final answer
    x = 409,808.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.