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Finding the Third Proportional to 147,253 and 320,282

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Solution

The third proportional to 147,253 and 320,282 is: 696,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,253 : 320,282 = 320,282 : x
  2. Step 2: Convert to fraction form
    147,253/320,282 = 320,282/x
  3. Step 3: Cross multiply
    147,253x = 320,282 × 320,282
  4. Step 4: Simplify right side
    147,253x = 102,580,559,524
  5. Step 5: Solve for x
    x = 102,580,559,524/147,253
  6. Step 6: Final answer
    x = 696,627.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.