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Finding the Third Proportional to 342,186.75 and 510,477.75

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Solution

The third proportional to 342,186.75 and 510,477.75 is: 761,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,186.75 : 510,477.75 = 510,477.75 : x
  2. Step 2: Convert to fraction form
    342,186.75/510,477.75 = 510,477.75/x
  3. Step 3: Cross multiply
    342,186.75x = 510,477.75 × 510,477.75
  4. Step 4: Simplify right side
    342,186.75x = 260,587,533,245.06
  5. Step 5: Solve for x
    x = 260,587,533,245.06/342,186.75
  6. Step 6: Final answer
    x = 761,536.01

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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.