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Finding the Third Proportional to 243,258 and 364,523

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Solution

The third proportional to 243,258 and 364,523 is: 546,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,258 : 364,523 = 364,523 : x
  2. Step 2: Convert to fraction form
    243,258/364,523 = 364,523/x
  3. Step 3: Cross multiply
    243,258x = 364,523 × 364,523
  4. Step 4: Simplify right side
    243,258x = 132,877,017,529
  5. Step 5: Solve for x
    x = 132,877,017,529/243,258
  6. Step 6: Final answer
    x = 546,239.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.