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Finding the Third Proportional to 426,237 and 710,294

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Solution

The third proportional to 426,237 and 710,294 is: 1,183,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,237 : 710,294 = 710,294 : x
  2. Step 2: Convert to fraction form
    426,237/710,294 = 710,294/x
  3. Step 3: Cross multiply
    426,237x = 710,294 × 710,294
  4. Step 4: Simplify right side
    426,237x = 504,517,566,436
  5. Step 5: Solve for x
    x = 504,517,566,436/426,237
  6. Step 6: Final answer
    x = 1,183,655.02

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.