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Finding the Third Proportional to 240,700 and 372,516

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Solution

The third proportional to 240,700 and 372,516 is: 576,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,700 : 372,516 = 372,516 : x
  2. Step 2: Convert to fraction form
    240,700/372,516 = 372,516/x
  3. Step 3: Cross multiply
    240,700x = 372,516 × 372,516
  4. Step 4: Simplify right side
    240,700x = 138,768,170,256
  5. Step 5: Solve for x
    x = 138,768,170,256/240,700
  6. Step 6: Final answer
    x = 576,519.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.