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Finding the Third Proportional to 862,985 and 1,294,477.50

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Solution

The third proportional to 862,985 and 1,294,477.50 is: 1,941,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,985 : 1,294,477.50 = 1,294,477.50 : x
  2. Step 2: Convert to fraction form
    862,985/1,294,477.50 = 1,294,477.50/x
  3. Step 3: Cross multiply
    862,985x = 1,294,477.50 × 1,294,477.50
  4. Step 4: Simplify right side
    862,985x = 1,675,671,998,006.25
  5. Step 5: Solve for x
    x = 1,675,671,998,006.25/862,985
  6. Step 6: Final answer
    x = 1,941,716.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.