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Finding the Third Proportional to 870,282 and 1,350,378

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Solution

The third proportional to 870,282 and 1,350,378 is: 2,095,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,282 : 1,350,378 = 1,350,378 : x
  2. Step 2: Convert to fraction form
    870,282/1,350,378 = 1,350,378/x
  3. Step 3: Cross multiply
    870,282x = 1,350,378 × 1,350,378
  4. Step 4: Simplify right side
    870,282x = 1,823,520,742,884
  5. Step 5: Solve for x
    x = 1,823,520,742,884/870,282
  6. Step 6: Final answer
    x = 2,095,321.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.