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Finding the Third Proportional to 1,178,000.25 and 1,890,007.50

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Solution

The third proportional to 1,178,000.25 and 1,890,007.50 is: 3,032,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,000.25 : 1,890,007.50 = 1,890,007.50 : x
  2. Step 2: Convert to fraction form
    1,178,000.25/1,890,007.50 = 1,890,007.50/x
  3. Step 3: Cross multiply
    1,178,000.25x = 1,890,007.50 × 1,890,007.50
  4. Step 4: Simplify right side
    1,178,000.25x = 3,572,128,350,056.25
  5. Step 5: Solve for x
    x = 3,572,128,350,056.25/1,178,000.25
  6. Step 6: Final answer
    x = 3,032,366.38

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.