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Finding the Third Proportional to 64,539.28 and 139,800.94

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Solution

The third proportional to 64,539.28 and 139,800.94 is: 302,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,539.28 : 139,800.94 = 139,800.94 : x
  2. Step 2: Convert to fraction form
    64,539.28/139,800.94 = 139,800.94/x
  3. Step 3: Cross multiply
    64,539.28x = 139,800.94 × 139,800.94
  4. Step 4: Simplify right side
    64,539.28x = 19,544,302,125.88
  5. Step 5: Solve for x
    x = 19,544,302,125.88/64,539.28
  6. Step 6: Final answer
    x = 302,828.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.