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Finding the Third Proportional to 637,875 and 987,682.50

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Solution

The third proportional to 637,875 and 987,682.50 is: 1,529,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,875 : 987,682.50 = 987,682.50 : x
  2. Step 2: Convert to fraction form
    637,875/987,682.50 = 987,682.50/x
  3. Step 3: Cross multiply
    637,875x = 987,682.50 × 987,682.50
  4. Step 4: Simplify right side
    637,875x = 975,516,720,806.25
  5. Step 5: Solve for x
    x = 975,516,720,806.25/637,875
  6. Step 6: Final answer
    x = 1,529,322.71

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.