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Finding the Third Proportional to 58,332.38 and 90,232.88

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Solution

The third proportional to 58,332.38 and 90,232.88 is: 139,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,332.38 : 90,232.88 = 90,232.88 : x
  2. Step 2: Convert to fraction form
    58,332.38/90,232.88 = 90,232.88/x
  3. Step 3: Cross multiply
    58,332.38x = 90,232.88 × 90,232.88
  4. Step 4: Simplify right side
    58,332.38x = 8,141,971,730.77
  5. Step 5: Solve for x
    x = 8,141,971,730.77/58,332.38
  6. Step 6: Final answer
    x = 139,578.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.