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Finding the Third Proportional to 573,421.50 and 910,980

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Solution

The third proportional to 573,421.50 and 910,980 is: 1,447,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,421.50 : 910,980 = 910,980 : x
  2. Step 2: Convert to fraction form
    573,421.50/910,980 = 910,980/x
  3. Step 3: Cross multiply
    573,421.50x = 910,980 × 910,980
  4. Step 4: Simplify right side
    573,421.50x = 829,884,560,400
  5. Step 5: Solve for x
    x = 829,884,560,400/573,421.50
  6. Step 6: Final answer
    x = 1,447,250.51

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.