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Finding the Third Proportional to 858,157 and 1,272,574

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Solution

The third proportional to 858,157 and 1,272,574 is: 1,887,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,157 : 1,272,574 = 1,272,574 : x
  2. Step 2: Convert to fraction form
    858,157/1,272,574 = 1,272,574/x
  3. Step 3: Cross multiply
    858,157x = 1,272,574 × 1,272,574
  4. Step 4: Simplify right side
    858,157x = 1,619,444,585,476
  5. Step 5: Solve for x
    x = 1,619,444,585,476/858,157
  6. Step 6: Final answer
    x = 1,887,119.24

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.