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Finding the Third Proportional to 163,243 and 239,275.50

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Solution

The third proportional to 163,243 and 239,275.50 is: 350,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,243 : 239,275.50 = 239,275.50 : x
  2. Step 2: Convert to fraction form
    163,243/239,275.50 = 239,275.50/x
  3. Step 3: Cross multiply
    163,243x = 239,275.50 × 239,275.50
  4. Step 4: Simplify right side
    163,243x = 57,252,764,900.25
  5. Step 5: Solve for x
    x = 57,252,764,900.25/163,243
  6. Step 6: Final answer
    x = 350,721.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.