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Finding the Third Proportional to 136,306 and 293,440

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Solution

The third proportional to 136,306 and 293,440 is: 631,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,306 : 293,440 = 293,440 : x
  2. Step 2: Convert to fraction form
    136,306/293,440 = 293,440/x
  3. Step 3: Cross multiply
    136,306x = 293,440 × 293,440
  4. Step 4: Simplify right side
    136,306x = 86,107,033,600
  5. Step 5: Solve for x
    x = 86,107,033,600/136,306
  6. Step 6: Final answer
    x = 631,718.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.