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Finding the Third Proportional to 389,770.50 and 841,713

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Solution

The third proportional to 389,770.50 and 841,713 is: 1,817,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,770.50 : 841,713 = 841,713 : x
  2. Step 2: Convert to fraction form
    389,770.50/841,713 = 841,713/x
  3. Step 3: Cross multiply
    389,770.50x = 841,713 × 841,713
  4. Step 4: Simplify right side
    389,770.50x = 708,480,774,369
  5. Step 5: Solve for x
    x = 708,480,774,369/389,770.50
  6. Step 6: Final answer
    x = 1,817,687.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.