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Finding the Third Proportional to 117,402.75 and 253,948.50

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Solution

The third proportional to 117,402.75 and 253,948.50 is: 549,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,402.75 : 253,948.50 = 253,948.50 : x
  2. Step 2: Convert to fraction form
    117,402.75/253,948.50 = 253,948.50/x
  3. Step 3: Cross multiply
    117,402.75x = 253,948.50 × 253,948.50
  4. Step 4: Simplify right side
    117,402.75x = 64,489,840,652.25
  5. Step 5: Solve for x
    x = 64,489,840,652.25/117,402.75
  6. Step 6: Final answer
    x = 549,304.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.