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Finding the Third Proportional to 58,389 and 90,594

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Solution

The third proportional to 58,389 and 90,594 is: 140,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,389 : 90,594 = 90,594 : x
  2. Step 2: Convert to fraction form
    58,389/90,594 = 90,594/x
  3. Step 3: Cross multiply
    58,389x = 90,594 × 90,594
  4. Step 4: Simplify right side
    58,389x = 8,207,272,836
  5. Step 5: Solve for x
    x = 8,207,272,836/58,389
  6. Step 6: Final answer
    x = 140,561.97

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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.