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Finding the Third Proportional to 388,682.40 and 841,030.80

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Solution

The third proportional to 388,682.40 and 841,030.80 is: 1,819,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,682.40 : 841,030.80 = 841,030.80 : x
  2. Step 2: Convert to fraction form
    388,682.40/841,030.80 = 841,030.80/x
  3. Step 3: Cross multiply
    388,682.40x = 841,030.80 × 841,030.80
  4. Step 4: Simplify right side
    388,682.40x = 707,332,814,433.30
  5. Step 5: Solve for x
    x = 707,332,814,433.30/388,682.40
  6. Step 6: Final answer
    x = 1,819,822.07

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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.