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Finding the Third Proportional to 186,462 and 286,132.50

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Solution

The third proportional to 186,462 and 286,132.50 is: 439,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,462 : 286,132.50 = 286,132.50 : x
  2. Step 2: Convert to fraction form
    186,462/286,132.50 = 286,132.50/x
  3. Step 3: Cross multiply
    186,462x = 286,132.50 × 286,132.50
  4. Step 4: Simplify right side
    186,462x = 81,871,807,556.25
  5. Step 5: Solve for x
    x = 81,871,807,556.25/186,462
  6. Step 6: Final answer
    x = 439,080.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.