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Finding the Third Proportional to 90,008,502 and 196,371,187.50

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Solution

The third proportional to 90,008,502 and 196,371,187.50 is: 428,422,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,008,502 : 196,371,187.50 = 196,371,187.50 : x
  2. Step 2: Convert to fraction form
    90,008,502/196,371,187.50 = 196,371,187.50/x
  3. Step 3: Cross multiply
    90,008,502x = 196,371,187.50 × 196,371,187.50
  4. Step 4: Simplify right side
    90,008,502x = 38,561,643,280,160,160
  5. Step 5: Solve for x
    x = 38,561,643,280,160,160/90,008,502
  6. Step 6: Final answer
    x = 428,422,231.49

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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.