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Finding the Third Proportional to 147,554 and 316,614

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Solution

The third proportional to 147,554 and 316,614 is: 679,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,554 : 316,614 = 316,614 : x
  2. Step 2: Convert to fraction form
    147,554/316,614 = 316,614/x
  3. Step 3: Cross multiply
    147,554x = 316,614 × 316,614
  4. Step 4: Simplify right side
    147,554x = 100,244,424,996
  5. Step 5: Solve for x
    x = 100,244,424,996/147,554
  6. Step 6: Final answer
    x = 679,374.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.