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Finding the Third Proportional to 651,242.50 and 1,388,507

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Solution

The third proportional to 651,242.50 and 1,388,507 is: 2,960,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,242.50 : 1,388,507 = 1,388,507 : x
  2. Step 2: Convert to fraction form
    651,242.50/1,388,507 = 1,388,507/x
  3. Step 3: Cross multiply
    651,242.50x = 1,388,507 × 1,388,507
  4. Step 4: Simplify right side
    651,242.50x = 1,927,951,689,049
  5. Step 5: Solve for x
    x = 1,927,951,689,049/651,242.50
  6. Step 6: Final answer
    x = 2,960,420.56

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.