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Finding the Third Proportional to 119,429 and 180,488

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Solution

The third proportional to 119,429 and 180,488 is: 272,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,429 : 180,488 = 180,488 : x
  2. Step 2: Convert to fraction form
    119,429/180,488 = 180,488/x
  3. Step 3: Cross multiply
    119,429x = 180,488 × 180,488
  4. Step 4: Simplify right side
    119,429x = 32,575,918,144
  5. Step 5: Solve for x
    x = 32,575,918,144/119,429
  6. Step 6: Final answer
    x = 272,763.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.