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Finding the Third Proportional to 374,703 and 571,440

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Solution

The third proportional to 374,703 and 571,440 is: 871,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,703 : 571,440 = 571,440 : x
  2. Step 2: Convert to fraction form
    374,703/571,440 = 571,440/x
  3. Step 3: Cross multiply
    374,703x = 571,440 × 571,440
  4. Step 4: Simplify right side
    374,703x = 326,543,673,600
  5. Step 5: Solve for x
    x = 326,543,673,600/374,703
  6. Step 6: Final answer
    x = 871,473.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.