Home / 7,837,430.81-12,105,603.38

Finding the Third Proportional to 7,837,430.81 and 12,105,603.38

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Solution

The third proportional to 7,837,430.81 and 12,105,603.38 is: 18,698,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837,430.81 : 12,105,603.38 = 12,105,603.38 : x
  2. Step 2: Convert to fraction form
    7,837,430.81/12,105,603.38 = 12,105,603.38/x
  3. Step 3: Cross multiply
    7,837,430.81x = 12,105,603.38 × 12,105,603.38
  4. Step 4: Simplify right side
    7,837,430.81x = 146,545,633,072,811.38
  5. Step 5: Solve for x
    x = 146,545,633,072,811.38/7,837,430.81
  6. Step 6: Final answer
    x = 18,698,172.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.