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Finding the Third Proportional to 63,775.69 and 139,031.44

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Solution

The third proportional to 63,775.69 and 139,031.44 is: 303,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,775.69 : 139,031.44 = 139,031.44 : x
  2. Step 2: Convert to fraction form
    63,775.69/139,031.44 = 139,031.44/x
  3. Step 3: Cross multiply
    63,775.69x = 139,031.44 × 139,031.44
  4. Step 4: Simplify right side
    63,775.69x = 19,329,740,613.32
  5. Step 5: Solve for x
    x = 19,329,740,613.32/63,775.69
  6. Step 6: Final answer
    x = 303,089.49

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.