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Finding the Third Proportional to 56,189.95 and 120,376.13

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Solution

The third proportional to 56,189.95 and 120,376.13 is: 257,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,189.95 : 120,376.13 = 120,376.13 : x
  2. Step 2: Convert to fraction form
    56,189.95/120,376.13 = 120,376.13/x
  3. Step 3: Cross multiply
    56,189.95x = 120,376.13 × 120,376.13
  4. Step 4: Simplify right side
    56,189.95x = 14,490,411,470.02
  5. Step 5: Solve for x
    x = 14,490,411,470.02/56,189.95
  6. Step 6: Final answer
    x = 257,882.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.