Home / 7,215,815.81-15,559,516.13

Finding the Third Proportional to 7,215,815.81 and 15,559,516.13

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Solution

The third proportional to 7,215,815.81 and 15,559,516.13 is: 33,551,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,815.81 : 15,559,516.13 = 15,559,516.13 : x
  2. Step 2: Convert to fraction form
    7,215,815.81/15,559,516.13 = 15,559,516.13/x
  3. Step 3: Cross multiply
    7,215,815.81x = 15,559,516.13 × 15,559,516.13
  4. Step 4: Simplify right side
    7,215,815.81x = 242,098,542,044,135
  5. Step 5: Solve for x
    x = 242,098,542,044,135/7,215,815.81
  6. Step 6: Final answer
    x = 33,551,097.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.