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Finding the Third Proportional to 136,582 and 296,492

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Solution

The third proportional to 136,582 and 296,492 is: 643,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,582 : 296,492 = 296,492 : x
  2. Step 2: Convert to fraction form
    136,582/296,492 = 296,492/x
  3. Step 3: Cross multiply
    136,582x = 296,492 × 296,492
  4. Step 4: Simplify right side
    136,582x = 87,907,506,064
  5. Step 5: Solve for x
    x = 87,907,506,064/136,582
  6. Step 6: Final answer
    x = 643,624.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.