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Finding the Third Proportional to 295,897.50 and 418,689

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Solution

The third proportional to 295,897.50 and 418,689 is: 592,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,897.50 : 418,689 = 418,689 : x
  2. Step 2: Convert to fraction form
    295,897.50/418,689 = 418,689/x
  3. Step 3: Cross multiply
    295,897.50x = 418,689 × 418,689
  4. Step 4: Simplify right side
    295,897.50x = 175,300,478,721
  5. Step 5: Solve for x
    x = 175,300,478,721/295,897.50
  6. Step 6: Final answer
    x = 592,436.50

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.