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Finding the Third Proportional to 216,852 and 469,903.88

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Solution

The third proportional to 216,852 and 469,903.88 is: 1,018,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,852 : 469,903.88 = 469,903.88 : x
  2. Step 2: Convert to fraction form
    216,852/469,903.88 = 469,903.88/x
  3. Step 3: Cross multiply
    216,852x = 469,903.88 × 469,903.88
  4. Step 4: Simplify right side
    216,852x = 220,809,651,740.02
  5. Step 5: Solve for x
    x = 220,809,651,740.02/216,852
  6. Step 6: Final answer
    x = 1,018,250.47

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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.