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Finding the Third Proportional to 459,475.03 and 686,444.63

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Solution

The third proportional to 459,475.03 and 686,444.63 is: 1,025,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,475.03 : 686,444.63 = 686,444.63 : x
  2. Step 2: Convert to fraction form
    459,475.03/686,444.63 = 686,444.63/x
  3. Step 3: Cross multiply
    459,475.03x = 686,444.63 × 686,444.63
  4. Step 4: Simplify right side
    459,475.03x = 471,206,223,191.39
  5. Step 5: Solve for x
    x = 471,206,223,191.39/459,475.03
  6. Step 6: Final answer
    x = 1,025,531.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.