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Finding the Third Proportional to 170,293.50 and 257,798.25

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Solution

The third proportional to 170,293.50 and 257,798.25 is: 390,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,293.50 : 257,798.25 = 257,798.25 : x
  2. Step 2: Convert to fraction form
    170,293.50/257,798.25 = 257,798.25/x
  3. Step 3: Cross multiply
    170,293.50x = 257,798.25 × 257,798.25
  4. Step 4: Simplify right side
    170,293.50x = 66,459,937,703.06
  5. Step 5: Solve for x
    x = 66,459,937,703.06/170,293.50
  6. Step 6: Final answer
    x = 390,267.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.