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Finding the Third Proportional to 155,443 and 240,037

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Solution

The third proportional to 155,443 and 240,037 is: 370,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,443 : 240,037 = 240,037 : x
  2. Step 2: Convert to fraction form
    155,443/240,037 = 240,037/x
  3. Step 3: Cross multiply
    155,443x = 240,037 × 240,037
  4. Step 4: Simplify right side
    155,443x = 57,617,761,369
  5. Step 5: Solve for x
    x = 57,617,761,369/155,443
  6. Step 6: Final answer
    x = 370,668.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.