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Finding the Third Proportional to 218,875 and 452,915

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Solution

The third proportional to 218,875 and 452,915 is: 937,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,875 : 452,915 = 452,915 : x
  2. Step 2: Convert to fraction form
    218,875/452,915 = 452,915/x
  3. Step 3: Cross multiply
    218,875x = 452,915 × 452,915
  4. Step 4: Simplify right side
    218,875x = 205,131,997,225
  5. Step 5: Solve for x
    x = 205,131,997,225/218,875
  6. Step 6: Final answer
    x = 937,210.72

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.