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Finding the Third Proportional to 58,382 and 90,585

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Solution

The third proportional to 58,382 and 90,585 is: 140,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,382 : 90,585 = 90,585 : x
  2. Step 2: Convert to fraction form
    58,382/90,585 = 90,585/x
  3. Step 3: Cross multiply
    58,382x = 90,585 × 90,585
  4. Step 4: Simplify right side
    58,382x = 8,205,642,225
  5. Step 5: Solve for x
    x = 8,205,642,225/58,382
  6. Step 6: Final answer
    x = 140,550.89

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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.