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Finding the Third Proportional to 397,653 and 602,271

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Solution

The third proportional to 397,653 and 602,271 is: 912,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,653 : 602,271 = 602,271 : x
  2. Step 2: Convert to fraction form
    397,653/602,271 = 602,271/x
  3. Step 3: Cross multiply
    397,653x = 602,271 × 602,271
  4. Step 4: Simplify right side
    397,653x = 362,730,357,441
  5. Step 5: Solve for x
    x = 362,730,357,441/397,653
  6. Step 6: Final answer
    x = 912,178.10

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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.