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Finding the Third Proportional to 109,020 and 235,272

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Solution

The third proportional to 109,020 and 235,272 is: 507,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,020 : 235,272 = 235,272 : x
  2. Step 2: Convert to fraction form
    109,020/235,272 = 235,272/x
  3. Step 3: Cross multiply
    109,020x = 235,272 × 235,272
  4. Step 4: Simplify right side
    109,020x = 55,352,913,984
  5. Step 5: Solve for x
    x = 55,352,913,984/109,020
  6. Step 6: Final answer
    x = 507,731.74

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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.