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Finding the Third Proportional to 100,517,284.50 and 218,833,669.50

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Solution

The third proportional to 100,517,284.50 and 218,833,669.50 is: 476,417,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,517,284.50 : 218,833,669.50 = 218,833,669.50 : x
  2. Step 2: Convert to fraction form
    100,517,284.50/218,833,669.50 = 218,833,669.50/x
  3. Step 3: Cross multiply
    100,517,284.50x = 218,833,669.50 × 218,833,669.50
  4. Step 4: Simplify right side
    100,517,284.50x = 47,888,174,906,835,232
  5. Step 5: Solve for x
    x = 47,888,174,906,835,232/100,517,284.50
  6. Step 6: Final answer
    x = 476,417,316.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.