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Finding the Third Proportional to 202,424 and 302,536

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Solution

The third proportional to 202,424 and 302,536 is: 452,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,424 : 302,536 = 302,536 : x
  2. Step 2: Convert to fraction form
    202,424/302,536 = 302,536/x
  3. Step 3: Cross multiply
    202,424x = 302,536 × 302,536
  4. Step 4: Simplify right side
    202,424x = 91,528,031,296
  5. Step 5: Solve for x
    x = 91,528,031,296/202,424
  6. Step 6: Final answer
    x = 452,159.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.