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Finding the Third Proportional to 58,356 and 90,117

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Solution

The third proportional to 58,356 and 90,117 is: 139,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,356 : 90,117 = 90,117 : x
  2. Step 2: Convert to fraction form
    58,356/90,117 = 90,117/x
  3. Step 3: Cross multiply
    58,356x = 90,117 × 90,117
  4. Step 4: Simplify right side
    58,356x = 8,121,073,689
  5. Step 5: Solve for x
    x = 8,121,073,689/58,356
  6. Step 6: Final answer
    x = 139,164.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.