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Finding the Third Proportional to 106,152.50 and 165,688.50

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Solution

The third proportional to 106,152.50 and 165,688.50 is: 258,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,152.50 : 165,688.50 = 165,688.50 : x
  2. Step 2: Convert to fraction form
    106,152.50/165,688.50 = 165,688.50/x
  3. Step 3: Cross multiply
    106,152.50x = 165,688.50 × 165,688.50
  4. Step 4: Simplify right side
    106,152.50x = 27,452,679,032.25
  5. Step 5: Solve for x
    x = 27,452,679,032.25/106,152.50
  6. Step 6: Final answer
    x = 258,615.47

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.