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Finding the Third Proportional to 459,408 and 974,400

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Solution

The third proportional to 459,408 and 974,400 is: 2,066,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,408 : 974,400 = 974,400 : x
  2. Step 2: Convert to fraction form
    459,408/974,400 = 974,400/x
  3. Step 3: Cross multiply
    459,408x = 974,400 × 974,400
  4. Step 4: Simplify right side
    459,408x = 949,455,360,000
  5. Step 5: Solve for x
    x = 949,455,360,000/459,408
  6. Step 6: Final answer
    x = 2,066,693.14

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.