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Finding the Third Proportional to 9,147,154.50 and 19,888,573.50

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Solution

The third proportional to 9,147,154.50 and 19,888,573.50 is: 43,243,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147,154.50 : 19,888,573.50 = 19,888,573.50 : x
  2. Step 2: Convert to fraction form
    9,147,154.50/19,888,573.50 = 19,888,573.50/x
  3. Step 3: Cross multiply
    9,147,154.50x = 19,888,573.50 × 19,888,573.50
  4. Step 4: Simplify right side
    9,147,154.50x = 395,555,355,864,902.25
  5. Step 5: Solve for x
    x = 395,555,355,864,902.25/9,147,154.50
  6. Step 6: Final answer
    x = 43,243,541.57

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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.