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Finding the Third Proportional to 426,560 and 987,508

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Solution

The third proportional to 426,560 and 987,508 is: 2,286,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,560 : 987,508 = 987,508 : x
  2. Step 2: Convert to fraction form
    426,560/987,508 = 987,508/x
  3. Step 3: Cross multiply
    426,560x = 987,508 × 987,508
  4. Step 4: Simplify right side
    426,560x = 975,172,050,064
  5. Step 5: Solve for x
    x = 975,172,050,064/426,560
  6. Step 6: Final answer
    x = 2,286,131.03

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.