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Finding the Third Proportional to 370,510 and 574,070

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Solution

The third proportional to 370,510 and 574,070 is: 889,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,510 : 574,070 = 574,070 : x
  2. Step 2: Convert to fraction form
    370,510/574,070 = 574,070/x
  3. Step 3: Cross multiply
    370,510x = 574,070 × 574,070
  4. Step 4: Simplify right side
    370,510x = 329,556,364,900
  5. Step 5: Solve for x
    x = 329,556,364,900/370,510
  6. Step 6: Final answer
    x = 889,466.86

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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.