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Finding the Third Proportional to 499,772.63 and 712,276.31

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Solution

The third proportional to 499,772.63 and 712,276.31 is: 1,015,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,772.63 : 712,276.31 = 712,276.31 : x
  2. Step 2: Convert to fraction form
    499,772.63/712,276.31 = 712,276.31/x
  3. Step 3: Cross multiply
    499,772.63x = 712,276.31 × 712,276.31
  4. Step 4: Simplify right side
    499,772.63x = 507,337,545,348.60
  5. Step 5: Solve for x
    x = 507,337,545,348.60/499,772.63
  6. Step 6: Final answer
    x = 1,015,136.72

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.