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Finding the Third Proportional to 857,617.88 and 1,262,668.50

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Solution

The third proportional to 857,617.88 and 1,262,668.50 is: 1,859,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,617.88 : 1,262,668.50 = 1,262,668.50 : x
  2. Step 2: Convert to fraction form
    857,617.88/1,262,668.50 = 1,262,668.50/x
  3. Step 3: Cross multiply
    857,617.88x = 1,262,668.50 × 1,262,668.50
  4. Step 4: Simplify right side
    857,617.88x = 1,594,331,740,892.25
  5. Step 5: Solve for x
    x = 1,594,331,740,892.25/857,617.88
  6. Step 6: Final answer
    x = 1,859,023.45

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.