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Finding the Third Proportional to 100,218 and 236,545.50

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Solution

The third proportional to 100,218 and 236,545.50 is: 558,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,218 : 236,545.50 = 236,545.50 : x
  2. Step 2: Convert to fraction form
    100,218/236,545.50 = 236,545.50/x
  3. Step 3: Cross multiply
    100,218x = 236,545.50 × 236,545.50
  4. Step 4: Simplify right side
    100,218x = 55,953,773,570.25
  5. Step 5: Solve for x
    x = 55,953,773,570.25/100,218
  6. Step 6: Final answer
    x = 558,320.60

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.