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Finding the Third Proportional to 87,213 and 118,360.50

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Solution

The third proportional to 87,213 and 118,360.50 is: 160,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,213 : 118,360.50 = 118,360.50 : x
  2. Step 2: Convert to fraction form
    87,213/118,360.50 = 118,360.50/x
  3. Step 3: Cross multiply
    87,213x = 118,360.50 × 118,360.50
  4. Step 4: Simplify right side
    87,213x = 14,009,207,960.25
  5. Step 5: Solve for x
    x = 14,009,207,960.25/87,213
  6. Step 6: Final answer
    x = 160,632.11

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.