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Finding the Third Proportional to 100,932 and 218,585.50

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Solution

The third proportional to 100,932 and 218,585.50 is: 473,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,932 : 218,585.50 = 218,585.50 : x
  2. Step 2: Convert to fraction form
    100,932/218,585.50 = 218,585.50/x
  3. Step 3: Cross multiply
    100,932x = 218,585.50 × 218,585.50
  4. Step 4: Simplify right side
    100,932x = 47,779,620,810.25
  5. Step 5: Solve for x
    x = 47,779,620,810.25/100,932
  6. Step 6: Final answer
    x = 473,384.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.