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Finding the Third Proportional to 717,090 and 1,574,124

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Solution

The third proportional to 717,090 and 1,574,124 is: 3,455,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,090 : 1,574,124 = 1,574,124 : x
  2. Step 2: Convert to fraction form
    717,090/1,574,124 = 1,574,124/x
  3. Step 3: Cross multiply
    717,090x = 1,574,124 × 1,574,124
  4. Step 4: Simplify right side
    717,090x = 2,477,866,367,376
  5. Step 5: Solve for x
    x = 2,477,866,367,376/717,090
  6. Step 6: Final answer
    x = 3,455,446.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.