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Finding the Third Proportional to 315,636 and 476,730

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Solution

The third proportional to 315,636 and 476,730 is: 720,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,636 : 476,730 = 476,730 : x
  2. Step 2: Convert to fraction form
    315,636/476,730 = 476,730/x
  3. Step 3: Cross multiply
    315,636x = 476,730 × 476,730
  4. Step 4: Simplify right side
    315,636x = 227,271,492,900
  5. Step 5: Solve for x
    x = 227,271,492,900/315,636
  6. Step 6: Final answer
    x = 720,043.00

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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.