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Finding the Third Proportional to 156,681 and 235,369.13

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Solution

The third proportional to 156,681 and 235,369.13 is: 353,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,681 : 235,369.13 = 235,369.13 : x
  2. Step 2: Convert to fraction form
    156,681/235,369.13 = 235,369.13/x
  3. Step 3: Cross multiply
    156,681x = 235,369.13 × 235,369.13
  4. Step 4: Simplify right side
    156,681x = 55,398,625,003.27
  5. Step 5: Solve for x
    x = 55,398,625,003.27/156,681
  6. Step 6: Final answer
    x = 353,575.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.