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Finding the Third Proportional to 313,580 and 471,076

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Solution

The third proportional to 313,580 and 471,076 is: 707,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,580 : 471,076 = 471,076 : x
  2. Step 2: Convert to fraction form
    313,580/471,076 = 471,076/x
  3. Step 3: Cross multiply
    313,580x = 471,076 × 471,076
  4. Step 4: Simplify right side
    313,580x = 221,912,597,776
  5. Step 5: Solve for x
    x = 221,912,597,776/313,580
  6. Step 6: Final answer
    x = 707,674.59

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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.