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Finding the Third Proportional to 423,033 and 655,351.50

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Solution

The third proportional to 423,033 and 655,351.50 is: 1,015,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,033 : 655,351.50 = 655,351.50 : x
  2. Step 2: Convert to fraction form
    423,033/655,351.50 = 655,351.50/x
  3. Step 3: Cross multiply
    423,033x = 655,351.50 × 655,351.50
  4. Step 4: Simplify right side
    423,033x = 429,485,588,552.25
  5. Step 5: Solve for x
    x = 429,485,588,552.25/423,033
  6. Step 6: Final answer
    x = 1,015,253.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.