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Finding the Third Proportional to 5,475,822 and 8,512,411.50

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Solution

The third proportional to 5,475,822 and 8,512,411.50 is: 13,232,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,822 : 8,512,411.50 = 8,512,411.50 : x
  2. Step 2: Convert to fraction form
    5,475,822/8,512,411.50 = 8,512,411.50/x
  3. Step 3: Cross multiply
    5,475,822x = 8,512,411.50 × 8,512,411.50
  4. Step 4: Simplify right side
    5,475,822x = 72,461,149,545,332.25
  5. Step 5: Solve for x
    x = 72,461,149,545,332.25/5,475,822
  6. Step 6: Final answer
    x = 13,232,926.41

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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.