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Finding the Third Proportional to 987,509 and 2,114,983

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Solution

The third proportional to 987,509 and 2,114,983 is: 4,529,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,509 : 2,114,983 = 2,114,983 : x
  2. Step 2: Convert to fraction form
    987,509/2,114,983 = 2,114,983/x
  3. Step 3: Cross multiply
    987,509x = 2,114,983 × 2,114,983
  4. Step 4: Simplify right side
    987,509x = 4,473,153,090,289
  5. Step 5: Solve for x
    x = 4,473,153,090,289/987,509
  6. Step 6: Final answer
    x = 4,529,734.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.