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Finding the Third Proportional to 313,572 and 473,274

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Solution

The third proportional to 313,572 and 473,274 is: 714,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,572 : 473,274 = 473,274 : x
  2. Step 2: Convert to fraction form
    313,572/473,274 = 473,274/x
  3. Step 3: Cross multiply
    313,572x = 473,274 × 473,274
  4. Step 4: Simplify right side
    313,572x = 223,988,279,076
  5. Step 5: Solve for x
    x = 223,988,279,076/313,572
  6. Step 6: Final answer
    x = 714,312.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.