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Finding the Third Proportional to 295,435 and 430,235

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Solution

The third proportional to 295,435 and 430,235 is: 626,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,435 : 430,235 = 430,235 : x
  2. Step 2: Convert to fraction form
    295,435/430,235 = 430,235/x
  3. Step 3: Cross multiply
    295,435x = 430,235 × 430,235
  4. Step 4: Simplify right side
    295,435x = 185,102,155,225
  5. Step 5: Solve for x
    x = 185,102,155,225/295,435
  6. Step 6: Final answer
    x = 626,541.05

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.