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Finding the Third Proportional to 307,607 and 658,953

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Solution

The third proportional to 307,607 and 658,953 is: 1,411,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,607 : 658,953 = 658,953 : x
  2. Step 2: Convert to fraction form
    307,607/658,953 = 658,953/x
  3. Step 3: Cross multiply
    307,607x = 658,953 × 658,953
  4. Step 4: Simplify right side
    307,607x = 434,219,056,209
  5. Step 5: Solve for x
    x = 434,219,056,209/307,607
  6. Step 6: Final answer
    x = 1,411,603.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.