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Finding the Third Proportional to 135,020 and 295,468

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Solution

The third proportional to 135,020 and 295,468 is: 646,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,020 : 295,468 = 295,468 : x
  2. Step 2: Convert to fraction form
    135,020/295,468 = 295,468/x
  3. Step 3: Cross multiply
    135,020x = 295,468 × 295,468
  4. Step 4: Simplify right side
    135,020x = 87,301,339,024
  5. Step 5: Solve for x
    x = 87,301,339,024/135,020
  6. Step 6: Final answer
    x = 646,580.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.