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Finding the Third Proportional to 407,136 and 598,539

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Solution

The third proportional to 407,136 and 598,539 is: 879,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,136 : 598,539 = 598,539 : x
  2. Step 2: Convert to fraction form
    407,136/598,539 = 598,539/x
  3. Step 3: Cross multiply
    407,136x = 598,539 × 598,539
  4. Step 4: Simplify right side
    407,136x = 358,248,934,521
  5. Step 5: Solve for x
    x = 358,248,934,521/407,136
  6. Step 6: Final answer
    x = 879,924.48

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.