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Finding the Third Proportional to 507,653 and 761,578.50

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Solution

The third proportional to 507,653 and 761,578.50 is: 1,142,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,653 : 761,578.50 = 761,578.50 : x
  2. Step 2: Convert to fraction form
    507,653/761,578.50 = 761,578.50/x
  3. Step 3: Cross multiply
    507,653x = 761,578.50 × 761,578.50
  4. Step 4: Simplify right side
    507,653x = 580,001,811,662.25
  5. Step 5: Solve for x
    x = 580,001,811,662.25/507,653
  6. Step 6: Final answer
    x = 1,142,516.27

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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.