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Finding the Third Proportional to 365,310 and 546,480

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Solution

The third proportional to 365,310 and 546,480 is: 817,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,310 : 546,480 = 546,480 : x
  2. Step 2: Convert to fraction form
    365,310/546,480 = 546,480/x
  3. Step 3: Cross multiply
    365,310x = 546,480 × 546,480
  4. Step 4: Simplify right side
    365,310x = 298,640,390,400
  5. Step 5: Solve for x
    x = 298,640,390,400/365,310
  6. Step 6: Final answer
    x = 817,498.54

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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.