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Finding the Third Proportional to 64,428.50 and 130,668.50

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Solution

The third proportional to 64,428.50 and 130,668.50 is: 265,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.50 : 130,668.50 = 130,668.50 : x
  2. Step 2: Convert to fraction form
    64,428.50/130,668.50 = 130,668.50/x
  3. Step 3: Cross multiply
    64,428.50x = 130,668.50 × 130,668.50
  4. Step 4: Simplify right side
    64,428.50x = 17,074,256,892.25
  5. Step 5: Solve for x
    x = 17,074,256,892.25/64,428.50
  6. Step 6: Final answer
    x = 265,010.93

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.