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Finding the Third Proportional to 637,889 and 1,000,785.50

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Solution

The third proportional to 637,889 and 1,000,785.50 is: 1,570,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,889 : 1,000,785.50 = 1,000,785.50 : x
  2. Step 2: Convert to fraction form
    637,889/1,000,785.50 = 1,000,785.50/x
  3. Step 3: Cross multiply
    637,889x = 1,000,785.50 × 1,000,785.50
  4. Step 4: Simplify right side
    637,889x = 1,001,571,617,010.25
  5. Step 5: Solve for x
    x = 1,001,571,617,010.25/637,889
  6. Step 6: Final answer
    x = 1,570,134.64

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.