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Finding the Third Proportional to 862,070 and 1,873,360

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Solution

The third proportional to 862,070 and 1,873,360 is: 4,070,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,070 : 1,873,360 = 1,873,360 : x
  2. Step 2: Convert to fraction form
    862,070/1,873,360 = 1,873,360/x
  3. Step 3: Cross multiply
    862,070x = 1,873,360 × 1,873,360
  4. Step 4: Simplify right side
    862,070x = 3,509,477,689,600
  5. Step 5: Solve for x
    x = 3,509,477,689,600/862,070
  6. Step 6: Final answer
    x = 4,070,989.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.