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Finding the Third Proportional to 641,155.50 and 1,001,008.13

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Solution

The third proportional to 641,155.50 and 1,001,008.13 is: 1,562,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,155.50 : 1,001,008.13 = 1,001,008.13 : x
  2. Step 2: Convert to fraction form
    641,155.50/1,001,008.13 = 1,001,008.13/x
  3. Step 3: Cross multiply
    641,155.50x = 1,001,008.13 × 1,001,008.13
  4. Step 4: Simplify right side
    641,155.50x = 1,002,017,266,316.02
  5. Step 5: Solve for x
    x = 1,002,017,266,316.02/641,155.50
  6. Step 6: Final answer
    x = 1,562,830.34

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.