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Finding the Third Proportional to 163,081.50 and 249,484.50

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Solution

The third proportional to 163,081.50 and 249,484.50 is: 381,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,081.50 : 249,484.50 = 249,484.50 : x
  2. Step 2: Convert to fraction form
    163,081.50/249,484.50 = 249,484.50/x
  3. Step 3: Cross multiply
    163,081.50x = 249,484.50 × 249,484.50
  4. Step 4: Simplify right side
    163,081.50x = 62,242,515,740.25
  5. Step 5: Solve for x
    x = 62,242,515,740.25/163,081.50
  6. Step 6: Final answer
    x = 381,665.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.