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Finding the Third Proportional to 819,127 and 1,282,197.50

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Solution

The third proportional to 819,127 and 1,282,197.50 is: 2,007,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,127 : 1,282,197.50 = 1,282,197.50 : x
  2. Step 2: Convert to fraction form
    819,127/1,282,197.50 = 1,282,197.50/x
  3. Step 3: Cross multiply
    819,127x = 1,282,197.50 × 1,282,197.50
  4. Step 4: Simplify right side
    819,127x = 1,644,030,429,006.25
  5. Step 5: Solve for x
    x = 1,644,030,429,006.25/819,127
  6. Step 6: Final answer
    x = 2,007,051.93

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.