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Finding the Third Proportional to 348,426 and 738,718.50

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Solution

The third proportional to 348,426 and 738,718.50 is: 1,566,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,426 : 738,718.50 = 738,718.50 : x
  2. Step 2: Convert to fraction form
    348,426/738,718.50 = 738,718.50/x
  3. Step 3: Cross multiply
    348,426x = 738,718.50 × 738,718.50
  4. Step 4: Simplify right side
    348,426x = 545,705,022,242.25
  5. Step 5: Solve for x
    x = 545,705,022,242.25/348,426
  6. Step 6: Final answer
    x = 1,566,200.63

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.