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Finding the Third Proportional to 29,688.75 and 39,656.25

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Solution

The third proportional to 29,688.75 and 39,656.25 is: 52,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.75 : 39,656.25 = 39,656.25 : x
  2. Step 2: Convert to fraction form
    29,688.75/39,656.25 = 39,656.25/x
  3. Step 3: Cross multiply
    29,688.75x = 39,656.25 × 39,656.25
  4. Step 4: Simplify right side
    29,688.75x = 1,572,618,164.06
  5. Step 5: Solve for x
    x = 1,572,618,164.06/29,688.75
  6. Step 6: Final answer
    x = 52,970.17

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.