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Finding the Third Proportional to 314,937 and 472,407

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Solution

The third proportional to 314,937 and 472,407 is: 708,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,937 : 472,407 = 472,407 : x
  2. Step 2: Convert to fraction form
    314,937/472,407 = 472,407/x
  3. Step 3: Cross multiply
    314,937x = 472,407 × 472,407
  4. Step 4: Simplify right side
    314,937x = 223,168,373,649
  5. Step 5: Solve for x
    x = 223,168,373,649/314,937
  6. Step 6: Final answer
    x = 708,612.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.