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Finding the Third Proportional to 176,967.50 and 385,039

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Solution

The third proportional to 176,967.50 and 385,039 is: 837,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,967.50 : 385,039 = 385,039 : x
  2. Step 2: Convert to fraction form
    176,967.50/385,039 = 385,039/x
  3. Step 3: Cross multiply
    176,967.50x = 385,039 × 385,039
  4. Step 4: Simplify right side
    176,967.50x = 148,255,031,521
  5. Step 5: Solve for x
    x = 148,255,031,521/176,967.50
  6. Step 6: Final answer
    x = 837,752.87

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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.