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Finding the Third Proportional to 306,052 and 656,376

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Solution

The third proportional to 306,052 and 656,376 is: 1,407,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,052 : 656,376 = 656,376 : x
  2. Step 2: Convert to fraction form
    306,052/656,376 = 656,376/x
  3. Step 3: Cross multiply
    306,052x = 656,376 × 656,376
  4. Step 4: Simplify right side
    306,052x = 430,829,453,376
  5. Step 5: Solve for x
    x = 430,829,453,376/306,052
  6. Step 6: Final answer
    x = 1,407,700.17

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.