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Finding the Third Proportional to 4,338,922 and 9,036,973.50

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Solution

The third proportional to 4,338,922 and 9,036,973.50 is: 18,821,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338,922 : 9,036,973.50 = 9,036,973.50 : x
  2. Step 2: Convert to fraction form
    4,338,922/9,036,973.50 = 9,036,973.50/x
  3. Step 3: Cross multiply
    4,338,922x = 9,036,973.50 × 9,036,973.50
  4. Step 4: Simplify right side
    4,338,922x = 81,666,890,039,702.25
  5. Step 5: Solve for x
    x = 81,666,890,039,702.25/4,338,922
  6. Step 6: Final answer
    x = 18,821,930.89

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.