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Finding the Third Proportional to 9,866,262.50 and 20,812,221.50

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Solution

The third proportional to 9,866,262.50 and 20,812,221.50 is: 43,901,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866,262.50 : 20,812,221.50 = 20,812,221.50 : x
  2. Step 2: Convert to fraction form
    9,866,262.50/20,812,221.50 = 20,812,221.50/x
  3. Step 3: Cross multiply
    9,866,262.50x = 20,812,221.50 × 20,812,221.50
  4. Step 4: Simplify right side
    9,866,262.50x = 433,148,563,765,062.25
  5. Step 5: Solve for x
    x = 433,148,563,765,062.25/9,866,262.50
  6. Step 6: Final answer
    x = 43,901,990.62

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.