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Finding the Third Proportional to 20,903,442 and 45,010,291.50

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Solution

The third proportional to 20,903,442 and 45,010,291.50 is: 96,918,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,442 : 45,010,291.50 = 45,010,291.50 : x
  2. Step 2: Convert to fraction form
    20,903,442/45,010,291.50 = 45,010,291.50/x
  3. Step 3: Cross multiply
    20,903,442x = 45,010,291.50 × 45,010,291.50
  4. Step 4: Simplify right side
    20,903,442x = 2,025,926,340,914,972.25
  5. Step 5: Solve for x
    x = 2,025,926,340,914,972.25/20,903,442
  6. Step 6: Final answer
    x = 96,918,313.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.