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Finding the Third Proportional to 553,750 and 867,535

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Solution

The third proportional to 553,750 and 867,535 is: 1,359,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,750 : 867,535 = 867,535 : x
  2. Step 2: Convert to fraction form
    553,750/867,535 = 867,535/x
  3. Step 3: Cross multiply
    553,750x = 867,535 × 867,535
  4. Step 4: Simplify right side
    553,750x = 752,616,976,225
  5. Step 5: Solve for x
    x = 752,616,976,225/553,750
  6. Step 6: Final answer
    x = 1,359,127.72

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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.