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Finding the Third Proportional to 155,545 and 248,087

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Solution

The third proportional to 155,545 and 248,087 is: 395,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,545 : 248,087 = 248,087 : x
  2. Step 2: Convert to fraction form
    155,545/248,087 = 248,087/x
  3. Step 3: Cross multiply
    155,545x = 248,087 × 248,087
  4. Step 4: Simplify right side
    155,545x = 61,547,159,569
  5. Step 5: Solve for x
    x = 61,547,159,569/155,545
  6. Step 6: Final answer
    x = 395,687.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.