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Finding the Third Proportional to 197,487 and 282,210.75

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Solution

The third proportional to 197,487 and 282,210.75 is: 403,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,487 : 282,210.75 = 282,210.75 : x
  2. Step 2: Convert to fraction form
    197,487/282,210.75 = 282,210.75/x
  3. Step 3: Cross multiply
    197,487x = 282,210.75 × 282,210.75
  4. Step 4: Simplify right side
    197,487x = 79,642,907,415.56
  5. Step 5: Solve for x
    x = 79,642,907,415.56/197,487
  6. Step 6: Final answer
    x = 403,281.77

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.