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Finding the Third Proportional to 319,574 and 460,352

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Solution

The third proportional to 319,574 and 460,352 is: 663,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,574 : 460,352 = 460,352 : x
  2. Step 2: Convert to fraction form
    319,574/460,352 = 460,352/x
  3. Step 3: Cross multiply
    319,574x = 460,352 × 460,352
  4. Step 4: Simplify right side
    319,574x = 211,923,963,904
  5. Step 5: Solve for x
    x = 211,923,963,904/319,574
  6. Step 6: Final answer
    x = 663,145.20

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.