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Finding the Third Proportional to 606,609 and 918,265.50

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Solution

The third proportional to 606,609 and 918,265.50 is: 1,390,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,609 : 918,265.50 = 918,265.50 : x
  2. Step 2: Convert to fraction form
    606,609/918,265.50 = 918,265.50/x
  3. Step 3: Cross multiply
    606,609x = 918,265.50 × 918,265.50
  4. Step 4: Simplify right side
    606,609x = 843,211,528,490.25
  5. Step 5: Solve for x
    x = 843,211,528,490.25/606,609
  6. Step 6: Final answer
    x = 1,390,041.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.