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Finding the Third Proportional to 358,601 and 780,282

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Solution

The third proportional to 358,601 and 780,282 is: 1,697,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,601 : 780,282 = 780,282 : x
  2. Step 2: Convert to fraction form
    358,601/780,282 = 780,282/x
  3. Step 3: Cross multiply
    358,601x = 780,282 × 780,282
  4. Step 4: Simplify right side
    358,601x = 608,839,999,524
  5. Step 5: Solve for x
    x = 608,839,999,524/358,601
  6. Step 6: Final answer
    x = 1,697,820.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.