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Finding the Third Proportional to 314,697.50 and 474,659

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Solution

The third proportional to 314,697.50 and 474,659 is: 715,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,697.50 : 474,659 = 474,659 : x
  2. Step 2: Convert to fraction form
    314,697.50/474,659 = 474,659/x
  3. Step 3: Cross multiply
    314,697.50x = 474,659 × 474,659
  4. Step 4: Simplify right side
    314,697.50x = 225,301,166,281
  5. Step 5: Solve for x
    x = 225,301,166,281/314,697.50
  6. Step 6: Final answer
    x = 715,929.32

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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.