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Finding the Third Proportional to 134,455.50 and 286,575

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Solution

The third proportional to 134,455.50 and 286,575 is: 610,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,455.50 : 286,575 = 286,575 : x
  2. Step 2: Convert to fraction form
    134,455.50/286,575 = 286,575/x
  3. Step 3: Cross multiply
    134,455.50x = 286,575 × 286,575
  4. Step 4: Simplify right side
    134,455.50x = 82,125,230,625
  5. Step 5: Solve for x
    x = 82,125,230,625/134,455.50
  6. Step 6: Final answer
    x = 610,798.60

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.