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Finding the Third Proportional to 35,688.50 and 77,737

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Solution

The third proportional to 35,688.50 and 77,737 is: 169,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.50 : 77,737 = 77,737 : x
  2. Step 2: Convert to fraction form
    35,688.50/77,737 = 77,737/x
  3. Step 3: Cross multiply
    35,688.50x = 77,737 × 77,737
  4. Step 4: Simplify right side
    35,688.50x = 6,043,041,169
  5. Step 5: Solve for x
    x = 6,043,041,169/35,688.50
  6. Step 6: Final answer
    x = 169,327.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.