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Finding the Third Proportional to 265,297.50 and 411,398.50

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Solution

The third proportional to 265,297.50 and 411,398.50 is: 637,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,297.50 : 411,398.50 = 411,398.50 : x
  2. Step 2: Convert to fraction form
    265,297.50/411,398.50 = 411,398.50/x
  3. Step 3: Cross multiply
    265,297.50x = 411,398.50 × 411,398.50
  4. Step 4: Simplify right side
    265,297.50x = 169,248,725,802.25
  5. Step 5: Solve for x
    x = 169,248,725,802.25/265,297.50
  6. Step 6: Final answer
    x = 637,958.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.