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Finding the Third Proportional to 606,669 and 917,535

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Solution

The third proportional to 606,669 and 917,535 is: 1,387,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,669 : 917,535 = 917,535 : x
  2. Step 2: Convert to fraction form
    606,669/917,535 = 917,535/x
  3. Step 3: Cross multiply
    606,669x = 917,535 × 917,535
  4. Step 4: Simplify right side
    606,669x = 841,870,476,225
  5. Step 5: Solve for x
    x = 841,870,476,225/606,669
  6. Step 6: Final answer
    x = 1,387,693.25

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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.