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Finding the Third Proportional to 167,800 and 249,428

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Solution

The third proportional to 167,800 and 249,428 is: 370,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,800 : 249,428 = 249,428 : x
  2. Step 2: Convert to fraction form
    167,800/249,428 = 249,428/x
  3. Step 3: Cross multiply
    167,800x = 249,428 × 249,428
  4. Step 4: Simplify right side
    167,800x = 62,214,327,184
  5. Step 5: Solve for x
    x = 62,214,327,184/167,800
  6. Step 6: Final answer
    x = 370,764.76

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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.