Home / 18,916,249.69-39,342,208.50

Finding the Third Proportional to 18,916,249.69 and 39,342,208.50

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Solution

The third proportional to 18,916,249.69 and 39,342,208.50 is: 81,824,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,249.69 : 39,342,208.50 = 39,342,208.50 : x
  2. Step 2: Convert to fraction form
    18,916,249.69/39,342,208.50 = 39,342,208.50/x
  3. Step 3: Cross multiply
    18,916,249.69x = 39,342,208.50 × 39,342,208.50
  4. Step 4: Simplify right side
    18,916,249.69x = 1,547,809,369,657,472.25
  5. Step 5: Solve for x
    x = 1,547,809,369,657,472.25/18,916,249.69
  6. Step 6: Final answer
    x = 81,824,325.39

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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.