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Finding the Third Proportional to 262,642.50 and 371,668.50

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Solution

The third proportional to 262,642.50 and 371,668.50 is: 525,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,642.50 : 371,668.50 = 371,668.50 : x
  2. Step 2: Convert to fraction form
    262,642.50/371,668.50 = 371,668.50/x
  3. Step 3: Cross multiply
    262,642.50x = 371,668.50 × 371,668.50
  4. Step 4: Simplify right side
    262,642.50x = 138,137,473,892.25
  5. Step 5: Solve for x
    x = 138,137,473,892.25/262,642.50
  6. Step 6: Final answer
    x = 525,952.48

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.