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Finding the Third Proportional to 85,516.50 and 185,637

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Solution

The third proportional to 85,516.50 and 185,637 is: 402,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,516.50 : 185,637 = 185,637 : x
  2. Step 2: Convert to fraction form
    85,516.50/185,637 = 185,637/x
  3. Step 3: Cross multiply
    85,516.50x = 185,637 × 185,637
  4. Step 4: Simplify right side
    85,516.50x = 34,461,095,769
  5. Step 5: Solve for x
    x = 34,461,095,769/85,516.50
  6. Step 6: Final answer
    x = 402,975.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.