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Finding the Third Proportional to 308,457 and 714,009

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Solution

The third proportional to 308,457 and 714,009 is: 1,652,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,457 : 714,009 = 714,009 : x
  2. Step 2: Convert to fraction form
    308,457/714,009 = 714,009/x
  3. Step 3: Cross multiply
    308,457x = 714,009 × 714,009
  4. Step 4: Simplify right side
    308,457x = 509,808,852,081
  5. Step 5: Solve for x
    x = 509,808,852,081/308,457
  6. Step 6: Final answer
    x = 1,652,771.22

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.