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Finding the Third Proportional to 186,693.75 and 409,675.50

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Solution

The third proportional to 186,693.75 and 409,675.50 is: 898,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,693.75 : 409,675.50 = 409,675.50 : x
  2. Step 2: Convert to fraction form
    186,693.75/409,675.50 = 409,675.50/x
  3. Step 3: Cross multiply
    186,693.75x = 409,675.50 × 409,675.50
  4. Step 4: Simplify right side
    186,693.75x = 167,834,015,300.25
  5. Step 5: Solve for x
    x = 167,834,015,300.25/186,693.75
  6. Step 6: Final answer
    x = 898,980.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.