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Finding the Third Proportional to 40,312.13 and 87,620.63

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Solution

The third proportional to 40,312.13 and 87,620.63 is: 190,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.13 : 87,620.63 = 87,620.63 : x
  2. Step 2: Convert to fraction form
    40,312.13/87,620.63 = 87,620.63/x
  3. Step 3: Cross multiply
    40,312.13x = 87,620.63 × 87,620.63
  4. Step 4: Simplify right side
    40,312.13x = 7,677,373,925.39
  5. Step 5: Solve for x
    x = 7,677,373,925.39/40,312.13
  6. Step 6: Final answer
    x = 190,448.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.